balakrishnan kg, abd manaf mr, hassan mr , musa ki, mohamad jamil ar, satariah ali uk, periyasamy p, jamal r, mohd nadzir ms.  (2024).  determinants of hospital length of stay in respiratory infections: insights from cheras, malaysia.  - medicine & health.  245-256. 

erwyn chin wei ooi, zaleha md isa, mohd rizal abdul manaf, ahmad soufi ahmad fuad, azman ahmad, mimi nurakmal mustapa, nuraidah mohd marzuki.  (2024).  factors influencing the intention to use the icd-11 among medical record officers (mros) and assistant medical record officers (amros) in ministry of health, malaysia.  - scientific reports.  1-18. 

kiran ganesh balakrishnan, mohd rizal abdul manaf, mohd rohaizat hassan, kamarul imran musa, azizul rahman mohamad jamil.  (2024).  infective versus non-infective respiratory illness admissions: comparative cost analysis in a tertiary hospital in malaysia.  - asia-pacific journal of health management.  1-8. 

neong shuet ching, md isa zaleha, abdul manaf mohd rizal, hassan jamiyah, mohd zain maizun, mohamad aina waheeda, ja'afar hayati, abdullah siti zainab, che arifin, izzul ikhwan, n. anwar ibrahim tahir, awang zainudin.  (2024).  emotional intelligence, its association with working environmental factors and spiritual intelligence among government doctors in malaysia: a multi-site study.  - naturalista campano.  3076-3095. 

kurubaran ganasegeran, mohd rizal abdul manaf, nazarudin safian, lance a.waller, khairul nizam abdul maulud, feisul idzwan mustapha.  (2024).  gis-based assessments of neighborhood food environments and chronic conditions: an overview of methodologies.  - annual review of public health.  109-132. 

rosnah sutan, khadijah alavi, siti norain sallahuddin, mohd rizal abdul manaf, mohd hasni jaafar, suzana shahar, khairul nizam abdul maulud, zaini embong, kamarul baraini keliwon, ruzian markom.  (2024).  factors associated with community volunteering among adults over the age of 50 in malaysia.  - plos one.  1-14. 

amirah farhanah amirudin, izzatul aliaa badaruddin, munirah md mansor, mohd rizal abdul manaf, hanita othman, wan muhammad azfar wan shuaib.  (2024).  prognostic value of triglyceride-fasting glucose (tyg) index in myocardial infarction.  - clinica chimica acta.  1. 

muhammad hanif abd latif, wan salwina wan ismail, mohd rizal abdul manaf, nur iwana abdul taib.  (2023).  understanding the impact of factors on parental self-blame, despair, and acceptance of children with autism spectrum disorder (asd) in hospital canselor tuanku muhriz (hctm): a cross-sectional study.  - 6th sarawak mental health conference 2023.  1-2. 

muhammad faid mohd rizal, mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, khairul nizam abdul maulud, feisul idzwan mustapha, lance a. waller.  (2023).  overview of machine learning algorithms on predicting type 2 diabetes mellitus and hypertension risk factors in southeast asia countries.  - 23rd. national public health colloquium 2023.  66. 

kevina a/p n yanasegaran, ng pei yuen, mohd rizal abdul manaf, azmawati mohammed nawi, chua eng wee.  (2023).  single nucleotide polymorphisms associated with type 2 diabetes mellitus control among malay population: rs6265 brain-derived neurotrophic factor.  - monash initiate 2023.  N/A. 

ng pei yuen, mohd rizal abdul manaf, kevina a/p n yanasegaran, chua eng wee, abdul khalif adha abd talib, azmawati mohammed nawi.  (2023).  snps associated with type 2 diabetes mellitus (t2dm): a case control study among malay staff in ukm.  - international conference on pharmaceutical sciences 2023 (icps2023).  N/A. 

sc neong, zaleha md isa, mohd rizal abd manaf, ibrahim tahir n. anwar.  (2023).  emotional intelligence and its association with cultural competence and cultural awareness.  - biogecko.  6600-6608. 

nur ayub ma, el-ansary d, mohd ramzisham ar, suriah a, royse c, chong th, mohamad arif mn, jeswant d, royse a, hairulfaizi haron, muhamad ishamudin i, mohd rizal am, katijjahbe ma.  (2023).  early supervised incremental resistance training (espirit) following cardiac surgery via a median sternotomy: a study protocol of a multicentre randomized controlled trial.  - bmj open.  1-11. 

azlanudin bin azman;mohd rizal bin haji abdul manaf;razman bin jarmin;zamri bin zuhdi.  (2023).  cost effectiveness between daycare and inpatient ercp in a single-centre hospital canselor tuanku muhriz.  - .  . 

mohd rizal bin haji abdul manaf.  (2023).  amalan terhadap pengawalan penyakit covid-19 dalam kalangan kakitangan hospital raja perempuan zainab ii dan faktor-faktor yang mempengaruhinya.  - .  . 

mohd rizal bin haji abdul manaf.  (2023).  quality of life and its determinants among caregivers of dementia patients in geriatric clinic, hospital kuala lumpur .  - .  . 

faiz bin daud;mohd rizal bin haji abdul manaf;syed shah alam.  (2023).  perception & acceptance of private clinical specialists on salary-based working environment.  - .  . 

mohd rizal bin haji abdul manaf.  (2023).  the effectiveness of mysejahtera mobile application as participatory surveillance during covid-19 pandemic in malaysia.  - .  . 

mohd rizal bin haji abdul manaf.  (2023).  descriptive analysis of violence against healthcare workers` reporting system in moh hospitals and determination of factors associated with physical violence.  - .  . 

kiran ganesh balakrishnan, kamarul imran musa, mohd rizal abdul manaf, mohd rohaizat hassan..  (2023).  effect of environmental factors on influenza-like illness in cheras, malaysia.  - 23rd. national public health colloquium 2023.  58. 

khadijah alavi, sutan, r. shahar, s. abdul manaf, mr. hasni, mj. markom, r. embong, z., keliwon,kb. abdul maulud.  (2023).  pelan tindakan penjagaan warga emas jangka masa panjang tahun 2022-2030.  - .  1-15. 

muhammad faid mohd rizal, mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, khairul nizam abdul maulud, feisul idzwan mustapha, lance a. waller.  (2023).  machine learning techniques for type 2 diabetes mellitus risk factor prediction: a review.  - 25th medical and health research week 2023.  41. 

kiran ganesh balakrishnan, mohd rizal abd manaf, and mohd rohaizat hassan.  (2023).  cost analysis of respiratory illnesses inpatients in hctm: a comparison between sari and aeba.  - 23rd. national public health colloquium 2023.  131. 

muhammad al-amin shaharuddin, mohd rizal abdul manaf, faiz daud.  (2023).  measurement methods and determinants of willingness to pay for social and health services for the elderly: a scoping review.  - 23rd. national public health colloquium 2023.  85. 

mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, lance a. waller, feisul idzwan mustapha, khairul nizam abdul maulud, muhammad faid mohd rizal.  (2023).  how spatial structure of diabetes changed with urban population growth and density in malaysia?.  - journal of health science and medical research.  64. 

eliza abdullah. mohd rizal abdul manaf.  (2023).  prevalence of actual medication errors and its associated factors among all medication errors reported in melaka hospital.  - 23rd. national public health colloquium 2023.  162. 

kiran ganesh balakrishnan, azizul rahman mohamad jamil, mohd rizal abd manaf, and mohd rohaizat hassan.  (2023).  prevalence of influenza and its association with demographic characteristics among influenza-like illness adults in cheras, kuala lumpur, malaysia.  - 23rd. national public health colloquium 2023.  106. 

rozmi ismail, azmawati mohammed nawi, mohd rizal abdul manaf, mohd rohaizat hassan, hilwa abdullah mohd, norhayati ibrahim, iskandar hassan tan abdullah, shafiin shukor.  (2023).  risk and protective factors in predicting drug and substance abuse among malaysian youths.  - addicta: the turkish journal on addictions.  23-33. 

wan abdul hannan wan ibadullah, nazarudin safian, mohd rizal abdul manaf, mohd 'ammar ihsan ahmad zamzuri, juliana mansor, shamsul azhar shah.  (2023).  cost-effectiveness of community-based hypertension prevention programs: a systematic review.  - international medical journal.  61-68. 

nor azura a, nur ayub ma, suriati sani, chu ming c, petrick p, wan asyraf wz, mohd rizal am, katijjahbe ma.  (2023).  the effect of enhanced respiratory care with early mobilization (e-recover) on cognitive and depression amongst patients with covid-19.  - medicine & health.  39-40. 

nur ayub ma, doa ea, mohd ramzisham ar, suriah a, azri i, nurdiyana i, colin r, alistair r, hairulfaizi h, muhamad ishamuddin i, mohd rizal am, katijjahbe ma.  (2023).  validity, reliability, responsiveness and minimal clinical important difference of the unsupported upper-limb exercise test in measuring upper limb function after median sternotomy.  - 25th medical research & health week.  1. 

kiran ganesh balakrishnan, mohd rizal abd manaf, mohd rohaizat hassan, mohd kamarul imran musa, azizul rahman mohamad jamil, norhaslira abdul rahim, umi kalsom satariah ali, and rahman jamal.  (2023).  influenza prevalence and risk factors: a population-based cross-sectional study.  - makara journal of health research.  221-226. 

nor azura a, nur ayub ma, suriati sani, chu ming c, petrick p, wan asyraf wz, mohd rizal am, katijjahbe ma.  (2023).  the effect of enhanced respiratory care with early mobilization (e-recover) on cognitive and depression amongst patients with covid-19.  - 25th medical & health research week.  1. 

kiran ganesh balakrishnan, mohd rizal abdul manaf, azizul rahman mohamad jamil.  (2023).  a review on prediction models of influenza viral infection.  - journal of health science and medical research.  69. 

neong sc, md isa z, abdul manaf mr, hassan j, mohd zain m, mohamad aw, ja'afar h, abdullah sz, che arifin, ii,dato dr hj n. anwar it, teo gs..  (2023).  emotional intelligence and its association with working environmental factors and spiritual intelligence: testing the instruments among ministry of health government doctors.  - 3rd international conference on engineering, social sciences and humanities.  38-39. 

amirudin sanip, mohd hisham mohd isa, azlan helmy abd samat, mohd johar jaafar, mohd rizal abdul manaf, meilya silvalila, ismail mohd saiboon.  (2023).  fit-cardiopulmonary resuscitation approach in public mass cardiopulmonary resuscitation teaching.  - saudi medical journal.  462-470. 

neong sc, md isa z, abdul manaf mr, hassan j, mohd zain m, mohamad aw, ja'afar h, abdullah sz, che arifin ii, dato' dr hj. n. anwar it, teo gs..  (2023).  emotional intelligence and its association with working environmental factors and spiritual intelligence: testing the instruments among malaysian ministry of health government doctors.  - european journal of molecular & clinical medicine.  2506-2529. 

kiran gb, afiqah syamimi m, kamarul im, mohd rizal am, mohd rohaizat h, azizul rahman mj, umi kalsom sa, petrick p, rahman j, mohd shahrul mn.  (2023).  prediction of influenza-like illness incidence in cheras, malaysia based on environmental data using the generalised additive model.  - medicine & health.  578-588. 

puteri sofia nadira megat kamaruddin, azmawati mohammed nawi, mohd rizal abdul manaf, mohamad nurman yaman, abdul muizz abd malek.  (2023).  a meta-analysis of ehealth interventions on ischaemic heart disease health outcomes.  - global heart.  1-19. 

thinakaran kandayah , nazarudin safian, shamsul azhar shah, mohd rizal abdul manaf.  (2023).  challenges in the management of sarcopenia in the primary care setting: a scoping review.  - international journal of environmental research and public health.  1-9. 

norizzati amsah, zaleha md isa, norfazilah ahmad, mohd rizal abdul manaf.  (2023).  impact of covid-19 pandemic on healthcare utilization among patients with type 2 diabetes mellitus: a systematic review.  - international journal of environmental research and public health.  1-15. 

n.a. ali, d. el-ansary, c. tze huat, m.r.a.r. abdul rahman, s. ahmad, a. royse, c. royse, m.r.m.a. abdul manaf, m.a. katijjahbe.  (2023).  pilot feasibility and safety of early incremental supervised resistance training (eispirt) following median sternotomy randomized controlled trial.  - world physiotherapy conference in dubai 2023.  1-2. 

nurhusna a, hakim na, raflis ra, aina en, mohd rizal am, abdullah suhaimi sn.  (2023).  daycare and inpatient hemithyroidectomy: a cost minimisation and safety study - hospital kuala lumpur malaysia experience.  - iium medical journal of malaysia.  24-30. 

mohd rizal abdul manaf.  (2023).  kualiti hidup: menuju kebahagiaan dan ketenangan minda.  - .  15. 

faiz d, perema kumari sp, geetha s, nur fatin nabila mn, syed sa, mohd rizal am.  (2023).  private hospitals compensation practices for clinical specialists in malaysia.  - medicine & health.  36. 

faiz daud, perema kumari s ponnapalam, geetha subramaniam, mohd rizal abdul manaf.  (2023).  compensation practices in private hospitals for clinical specialists in malaysia.  - 23rd national public health colloquium.  87. 

diana safraa selimin, nazarudin safian, mohd rohaizat hassan, mohd rizal abdul manaf and qistina mohd ghazali.  (2023).  effectiveness of sugar sweetened beverages tax on health and healthcare costs: a systematic review.  - international journal of public health research.  1792-1807. 

kazi majidur rahaman, rabani remli, hui jan tan, norlaila mustafa, mohd rizal abdul manaf, chen fei ng.  (2023).  the association of vitamin d level with diabetic peripheral neuropathy: a comparative cross-sectional study.  - neurology asia.  633-671. 

nor aishah md sopian, mohd rizal abdul manaf.  (2023).  covid-19 prevention practices among hospital raja perempuan zainab ii (hrpz ii) staff and associated factors.  - 25th medical and health research week 2023.  31. 

jamilah yusof, aniza ismail, mohd rizal abd manaf, fuad ismail, norlia abdullah, rohaizak muhammad, shahrun niza abdullah suhaimi and reena rahayu mat zin.  (2022).  quality of life of women with breast cancer in a tertiary referral university hospital.  - health and quality of life outcomes.  1-13. 

mohammad z, ibrahim aa, ismail r, abdul manaf mr.  (2022).  the fate of a military pilot in malaysia: lingering on the ground after young stroke.  - international journal of occupational safety and health.  54-58. 

ariff azfarahim ibrahim, mohd ammar ihsan ahmad zamzuri, rosnah ismail, ahmad husni ariffin, aniza ismail, muhamad hazizi muhamad hasani, mohd rizal abdul manaf.  (2022).  the role of electronic medical records in improving health care quality: a quasi-experimental study.  - medicine.  1-5. 

nooryian yahya, shuhaila ahmad, nor azlin mohamed ismail, noor sham yahya luddin, azmi mohd tamil and mohd rizal abdul manaf.  (2022).  development of a normal range for first trimester pregnancy intracranial translucency measurements.  - malaysian journal of public health medicine.  267-274. 

wan muhammad azfar wan shuaib, nor azlin mohamed nor, mohd rizal abd manaf, hanita othman.  (2022).  uric acid: friend or foe?.  - iium medical journal malaysia.  122-130. 

suzana binti makpol;mohd rizal bin haji abdul manaf;amilia binti aminuddin;norwahidah binti abdul karim;nur fathiah binti abdul sani;tan jen kit.  (2022).  ginger extract (zingiber officinale) for the promotion of muscle regeneration in elderly population.  - .  . 

wong chui king, mohd johar jaafar, mohd rizal haji manaf, mohd hisham isa, ismail mohd saiboon.  (2022).  effect of movement control order to emergency department visit in a teaching university hospital in malaysia during covid-19.  - international journal of human and health sciences.  313-319. 

siti munirah abdul basir, zahara abdul manaf, fatin hanani mazri, arimi fitri mat ludin, suzana shahar and mohd rizal abdul manaf.  (2022).  description of a hybrid mindfulness integrated multidisciplinary workplace weight management intervention module mindslimshape using the tidier checklist.  - nutrients.  1-13. 

ariff azfarahim ibrahim, mohd rizal abdul manaf, noor hassim ismail.  (2022).  the determinants of undiagnosed hypertension among urban community of kuala lumpur, malaysia.  - iranian journal of public health.  1323-1330. 

siti munirah abdul basir, zahara abdul manaf, norhayati mohd. noor, arimi fitri mat ludin, suzana shahar and mohd rizal abdul manaf.  (2022).  the challenges and strategies towards healthy eating during covid-19 home confinement period among working adults with bmi 25 kg/m2 enrolled in a weight loss program: qualitative findings.  - international journal of environmental research and public health.  1-14. 

mohd helma rusyda, nor ba'yah abdul kadir, wan nur khairunnisa ismail, siti jamiaah abdul jalil, nurul-azza abdullah, arena che kasim, suzana mohd. hoesni, mohd rizal abdul manaf.  (2022).  identifying the psychometric properties of the malay version of the whoqol bref among employees with obesity problem.  - international journal of environmental research and public health.  1-14. 

nor ba`yah abdul kadir, rusyda helma mohamed, wan nur khairunnisa ismail, siti jamiaah abdul jalil, nurul-azza abdullah, arena che kasim, suzana mohd. hoesni, mohd rizal abdul manaf.  (2022).  sustaining the quality of life for university employees with obesity using mindfulness activities and work engagement: a quasi-experimental design.  - sustainability.  1-13. 

khadijah alavi, rosnah sutan, suzana shahar, mohd rizal abdul manaf, mohd hasni jaafar, khairul nizam abdul maulud, zaini embong, kamarul baraini keliwon, ruzian markom.  (2022).  connecting the dots between social care and healthcare for the sustainability development of older adult in asia: a scoping review.  - sustainability.  1-17. 

nur husna atan, hakim na, aina en, mohd rizal am, shahrun niza as.  (2022).  daycare hemithyroidectomy; a cost minimization study for a government hospital in malaysia.  - assessment of dissertation defense day.  20. 

muhammad parial shahani, mohd rizal bin haji abdul manaf, azimatun noor aizuddin, kaleemullah abro, vijia kumar gemnani, abdul rehman shaikh, zainab shahani.  (2022).  neonatal morbidity patterns and admission outcomes: a cross sectional study at a tertiary care hospital in pakistan.  - journal of pharmaceutical research international.  72-76. 

rozmi ismail, mohd rizal abdul manaf, mohd rohaizat hassan, azmawati mohammed nawi, norhayati ibrahim, novel lyndon, noh amit, ezarina zakaria, muhammad ajib abd razak, norshaffika izzaty zaiedy nor, md shafiin shukor, aimi fadzirul kamarubahrin..  (2022).  prevalence of drug and substance use among malaysian youth: a nationwide survey.  - international journal of environmental research and public health.  1-15. 

th chong , nur ayub ma , katijjahbe ma , muhammad ishamuddin i , mohd ramzisham ar, hairulfaizi h , mohd rizal am , mohammad arif mn , ramesh rt.  (2022).  efficacy of early incremental supervised resistance training following cardiac surgery via median sternotomy - a pilot safety and feasibility randomized controlled trial.  - assessment of dissertation defense day.  14. 

essam ali al-sanaani, aniza ismail, mohd rizal abdul manaf, leny suzana suddin, norlaila mustafa, norlela sukor alabed ali a. alabed, ahmed abdelmajed alkhodary, syed mohamed aljunid.  (2022).  health insurance status and its determinants among patients with type 2 diabetes mellitus in a tertiary teaching hospital in malaysia.  - plos one.  1-17. 

mazni baharom, norfazilah ahmad, rozita hod, mohd rizal abdul manaf.  (2022).  dengue early warning system as outbreak prediction tool: a systematic review.  - risk management and healthcare policy.  871-886. 

sharifah saffinas syed soffian, azmawati mohammed nawi, rozita hod, mohd rizal abdul manaf, huan-keat chan, muhammad radzi abu hassan.  (2022).  disparities in recommendations for colorectal cancer screening among average-risk individuals: an ecobiosocial approach.  - risk management and healthcare policy.  1025-1043. 

kavita-jetly, azmawati mohammed nawi, qistina mohd ghazali,and mohd rizal abdul manaf.  (2022).  plain packaging and pictorial warning in asia countries: where are we?.  - international journal of public health research.  1545-1555. 

sc neong, zaleha md isa, mohd rizal abd manaf.  (2022).  emotional intelligence and its association with spiritual intelligence: a systematic review.  - journal of coastal life medicine.  368-378. 

shuet ching neong, zaleha md isa, mohd rizal abd manaf.  (2022).  emotional intelligence and its association with spiritual intelligence: a systematic review.  - international conference on multidisciplinary research and practices.  11. 

mazni baharom, norfazilah ahmad, rozita hod, mohd rizal abdul manaf, fadly syah arsad, fredolin tangang.  (2022).  a systematic review on dengue outbreak prediction tool using early warning system.  - 9th international public health conference 2022.  55. 

sc neong, zaleha md isa, mohd rizal abd manaf.  (2022).  kecerdasan emosi dan hubungannya dengan kecekapan budaya dan kesedaran budaya.  - 9th international public health conference 2022.  66. 

shuet ching neong, zaleha md isa, mohd rizal haji abdul manaf.  (2022).  emotional intelligence and organisational culture: a systematic literature review.  - journal of pharmaceutical negative results.  1582-1592. 

mohd rizal abdul manaf dan sabrizan osman.  (2022).  rumah syurgaku: penjagaan warga emas jangka masa panjang di malaysia.  - .  27. 

mohd rizal a. manaf, azmawati md nawi, noorlaili md tauhid, hanita othman, md rizam a. rahman, hanizah md yusoff, nazaruddin safian, pei yuen ng, zahara a. manaf, nor bayah abd kadir, kevina yanasegaran, siti munirah abd basir, sowmya r., kurubaran g..  (2021).  prevalence of metabolic syndrome and its associated risk factors among staffs in a malaysian public university.  - scientific reports.  1-11. 

noreen ho han ching, roszita ibrahim, mohd rizal abdul manaf.  (2021).  lean intervention outcome on quality improvement in healthcare system: a systematic review.  - 22nd national public health colloquium.  30. 

mohd nazrin jamhari, mohd rohaizat hassan, norfazilah ahmad, khaironi yatim sharif, mohd ammar ihsan ahmad zamzuri, muhammad fikri azmi, norayuni ismail, mohd rizal abdul manaf.  (2021).  cost effectiveness on mobile application usage in managing type 2 diabetes mellitus a systematic review.  - 22nd national public health colloquium 2021.  35. 

mohd rizal bin haji abdul manaf;mohd cairul iqbal bin mohd amin;ng shiow fern;hanizah binti mohd yusoff.  (2021).  risk of occupational fatigue among medical doctors at public hospitals in selangor.  - .  . 

nur suhada ramli, azmawati mohammed nawi, mohd rohaizat hassan, mohd rizal abdul manaf, muhamad izwan ismail.  (2021).  effectiveness of colorectal cancer screening promotion using e-media decision aids: a systematic review and meta-analysis.  - 22nd national public health colloquium 2021.  64. 

siti munirah abdul basir, zahara abdul manaf, arimi fitri mat ludin, suzana shahar, mohd rizal hj abdul manaf.  (2021).  mindful eating and its relationship with adiposity trait, dietary intake, and night eating syndrome.  - empower 2021.  39. 

amirul danial azmi, suzaily wahab, muhamad afiq zulkifly, rizal abdul manaf, mohammad faidzul nasrudin, mohd juzaiddin ab aziz, noor alaudin abdul wahab.  (2021).  the translation and validation of the smartphone use questionnaire (suq) into the malay language.  - medicine & health.  227-236. 

siti munirah abdul basir, zahara abdul manaf, arimi fitri mat ludin, suzana shahar, mohd rizal hj abdul manaf.  (2021).  a hybrid structured weight managment programme (slim-shape mind) during pandemic covid-19 is effective among employees of an institutiion.  - aoco maso 2021.  227. 

naim syahidah zulkafli, suria hayati md pauzi, asmazila baharum, mohamad nasir shafiee, mohd rizal abdul manaf, sharifah noor akmal s.h. shahabudin, nurismah md isa.  (2021).  high risk-hpv dna test and association with cyto-histopathological finding of cervical neoplasia: an audit study.  - malaysian journal of pathology.  466. 

siti munirah abdul basir, zahara abdul manaf, arimi fitri mat ludin, suzana shahar, mohd rizal hj abdul manaf.  (2021).  a hybrid structured weight management program (slim-shape mind) during pandemic covid-19 is effective among employees of a institution.  - aoco maso 2021.  1. 

khadijah alavi, suzana shahar, mohd rizal abdul manaf, rosnah sutan, mohd hasni jaafar, khairul nizam abdul maulud, ruzian markom, zaini embong, kamarul baharani kalewon.  (2021).  kajian diagnostik bagi membentuk model penjagaan warga emas jangka masa panjang (ltc) yang bersepadu dan mampan di malaysia pada tahun 2030.  - laporan perundingan kpwkm.  1-488. 

nor ba`yah abdul kadir , wan nur khairunnisa ismail, nurul-azza abdullah, rusyda helma, siti jamiaah abdul jalil, arena che kasim, suzana mohd.hoesni, mohd. rizal abdul manaf.  (2021).  criterion validity and psychometric properties of a malay version of the short multidimensional inventory lifestyle evaluation-confinement (smile-c) in a sample of university staff with weight problem.  - international journal of environmental research and public health.  1-9. 

essam aa, aniza i, mohd rizal am, leny suzana s, norlaila m, norlela s, ahmed abdelmajed a, syed mohamed a.  (2021).  payment methods and patient satisfaction among type-2 diabetes patient at a teaching hospital in malaysia.  - medicine & health.  192-206. 

zarina dato' abdul latiff, dayang anita abdul aziz, mawaddah azman.  (2021).  buku panduan etika ikhtisas dan tatacara pelajar siswazah fakulti perubatan ukm.  - .  1-31. 

mohd rizal bin abdul manaf, siti aishah hassan.  (2021).  remaja dan dadah: punca, kesan dan pencegahan.  - .  11. 

vijayaletchumi thandayathany, shuhaila ahmad, mohd rizal haji abdul manaf , nor azlin mohamed ismail.  (2021).  detection of foetal anomaly in advanced maternal age.  - medical journal of malaysia.  833-836. 

azmawati mohammed nawi, rozmi ismail, fauziah ibrahim, mohd rohaizat hassan, mohd rizal abdul manaf, noh amit, norhayati ibrahim and nurul shafini shafurdin.  (2021).  risk and protective factors of drug abuse among adolescents: a systematic review.  - bmc public health.  1-15. 

m rizal a manaf, md al-amin shaharuddin, azmawati md nawi, noorlaili m tauhid, hanita o, m rizam a rahman, hanizah m yusoff, nazarudin safian, pei y n, zahara a manaf, nor bayah a kadir, kevina y, s munirah a basir, sowmya r, m izhar ariff, kurubaran g..  (2021).  perceived symptoms of depression, anxiety and stress amongst staff in a malaysian public university: a workers survey.  - international journal of environmental research and public health.  1-13. 

suzaily wahab, muhamad afiq zulkifly, amirul danial azmi, mohd rizal abdul manaf.  (2021).  validation of the malay version of the alcohol, smoking and substance involvement screening test (assist-lite).  - 21st wpa world congress of psychiatry.  1. 

md rizal a manaf, azmawati md nawi, noorlaili md tauhid, hanita othman, md rizam a rahman, hanizah md yusoff, nazarudin safian, pei yuen ng, zahara a manaf, nor bayah a kadir, kevina y, siti munirah a basir, sowmya r, md izhar ariff, kurubaran g.  (2021).  factors associated with health related quality of life amongst employees in a malaysian public university.  - international journal of environmental research and public health.  1-19. 

naim syahidah zulkafli, suria hayati md pauzi, asmazila baharum, mohamad nasir shafiee, mohd rizal abdul manaf, sharifah noor akmal s.h. shahabudin, nurismah md isa.  (2021).  high risk-hpv dna test and association with cyto-histopathological finding of cervical neoplasia: an audit study.  - 7th annual scientific meeting 2021 international academy of pathology malaysian division (iapmd).  15. 

muhammad parial shahani, mohd rizal abdul manaf, azimatun noor aizuddin, aneela atta ur rahman, saeed ahmed shaikh and qararo shah.  (2021).  prevalence of low birth weight neonates during covid-19 pandemic in a tertiary care hospital at larkana, sindh, pakistan.  - journal of pharmaceutical research international.  91-96. 

haliza abdul manaf, rozita arifin, mohd rizal abdul manaf.  (2021).  homeless management during movement control order due to covid-19 pandemic: experience from federal territory kuala lumpur, malaysia.  - international journal of public health research.  1480-1485. 

abdul rahman ramdzan, mohd rizal abdul manaf, azimatun noor aizuddin, zarina a. latiff, keng wee teik, gaik-siew ch'ng, kurubaran ganasegeran, syed mohamed aljunid.  (2021).  cost-effectiveness of colorectal cancer genetic testing.  - international journal of environmental research and public health.  1-17. 

kurubaran ganasegeran, chee peng hor, mohd fadzly amar jamil, purnima devi suppiah, juliana mohd noor, norshahida abdul hamid, deik roy chuan, mohd rizal abdul manaf, alan swee hock chng and irene looi.  (2021).  mapping the scientific landscape of diabetes research in malaysia (2000-2018): a systematic scientometrics study.  - international journal of environmental research and public health.  1-20. 

kavita-jetly, azmawati mohammed nawi, mohd rizal abdul manaf.  (2021).  plain cigarette packaging in asia countries: where are we?.  - 22nd national public health colloquium 2021.  43. 

nur suhada ramli, mohd rizal abdul manaf, mohd rohaizat hassan , muhamad izwan ismail and azmawati mohammed nawi.  (2021).  effectiveness of colorectal cancer screening promotion using e-media decision aids: a systematic review and meta-analysis.  - international journal of environmental research and public health.  1-19. 

nur syakirah awai, kurubaran ganasegeran, mohd rizal abdul manaf.  (2021).  prevalence of workplace bullying and its associated factors among workers in a malaysian public university hospital: a cross-sectional study.  - risk management and healthcare policy.  75-85. 

nur ayub ma, suriati ms, muhammad ishamuddin i, hairulfaizi h, fahmi pa, mohamad arif mn, mohd ramzisham ar, mohd rizal am, katijjahbe ma.  (2021).  trajectory of change in erectile dysfunction symptoms following coronary artery bypass surgery in malaysian population.  - iium medical journal malaysia.  45-51. 

amirul danial azmi, suzaily wahab, muhamad afiq zulkifly, rizal abdul manaf.  (2021).  validation of the smartphone-use questionnaire (suq) into the malay language.  - 3rd world congress on integration and islamicisation 2021: mental health well-being in the 4th industrial revolution.  1. 

lavanyah sivaratnam, azmawati mohammed nawi, mohd rizal abdul manaf.  (2020).  an evidence-based clinical pathway for the diagnosis of tuberculous lymphadenitis: a systematic review.  - international journal of mycobacteriology.  107-115. 

hamidah bt. yamat @ ahmad;doris padmini a/p s. selvaratnam;mohd rizal bin abdul manaf;norizah @ norazah binti mohd nordin;jamil bin ahmad;mohd rizam bin abdul rahman.  (2020).  university-community youth champions (ucy champ) programme.  - .  . 

moonyza akmal ahmad kamil, norazirah md nor, chai soon ngiu, mohd rizal abdul manaf, suganthi thevarajah, adawiyah jamil and mohan arumugam.  (2020).  prevalence of non-alcoholic fatty liver disease (nafld) diagnosed by controlled attenuation parameter on transient elastography and its predisposing factors in psoriasis.  - journal of skin and stem cell.  1-6. 

ani amelia zainuddin, sonia regina grover, nur azurah abdul ghani, loo ling wu, rahmah rasat, mohd rizal abdul manaf, khadijah shamsuddin, zaleha abdullah mahdy.  (2020).  health-related quality of life of female patients with congenital adrenal hyperplasia in malaysia.  - health and quality of life outcomes.  258-266. 

azliza ibrahim ,raja affendi raja ali, mohd rizal abdul manaf, norfazilah ahmad, farah waheeda tajurruddin, wong zhi qin, siti hajar md desa, norlinah mohamed ibrahim.  (2020).  multi-strain probiotics (hexbio) containing mcp bcmc strains improved constipation and gut motility in parkinsons disease: a randomised controlled trial.  - plos one.  1-17. 

wan muhammad azfar wan shuaib, nor azlin mohd ismail, mohd rizal abdul manaf, hanita othman.  (2020).  third trimester serum uric acid levels in prediction of pre-eclampsia.  - medicine and health.  78. 

mohd fadhli mohd fauzi, hanizah mohd yusoff, mohd rizal abdul manaf, nur adibah mat saruan, rosnawati muhamad robat.  (2020).  predictors of intershift fatigue recovery among doctors: a protocol.  - social science protocols.  1-16. 

khalid mokti, zaleha isa, mohd rizal abdul manaf, firdaus hayati, syed sharizman syed abd rahim.  (2020).  nutritional burden in tuberculosis and inter-sectoral nutritional management for tuberculosis patients in malaysia.  - turkiye klinikleri journal of medical sciences.  83-95. 

sowmya ramakrishnan, siddharthan selvaraj, zaleha md isa, mohd rizal abdul manaf, naresh bhaskar raj.  (2020).  weight reducing interventions for overweight and obese employees.  - european journal of molecular & clinical medicine.  835-844. 

abdul rahman ramdzan, mohd rizal abdul manaf, azimatun noor aizuddin, syed mohamed aljunid.  (2020).  cost analysis of screening colorectal cancer in a tertiary hospital.  - journal of health science and medical research.  61. 

kurubaran ganasegeran, chee peng hor, mohd fadzly amar jamil, hong chuan loh, juliana mohd noor, norshahida abdul hamid, purnima devi suppiah, mohd rizal abdul manaf, alan swee hock chng, irene looi.  (2020).  a systematic review of the economic burden of type 2 diabetes in malaysia.  - international journal of environmental research and public health.  1-23. 

muhammad fikri bin azmi, azimatun noor aizuddin, mohd rizal abdul manaf.  (2020).  macroeconomics of cardiovascular disease: a review of modelling approaches.  - journal of health science and medical research.  46. 

mohd fadhli mohd fauzi , hanizah mohd yusoff, nur adibah mat saruan, rosnawati muhamad robat, mohd rizal abdul manaf, maisarah ghazali.  (2020).  fatigue and recovery among malaysian doctors: the role of work-related activities during non-work time.  - bmj open.  1-10. 

abdul rahman ramdzan, mohd rizal abdul manaf, azimatun noor aizuddin, ch'ng gaik siew, syed mohamed aljunid.  (2020).  cost-effectiveness analysis of colorectal cancer genetic testing.  - journal of health science and medical research.  39. 

essam ali al-sanaani, aniza ismail, mohd rizal abdul manaf, leny suzana binti sudin, norlaila mustafa, norlela sukor.  (2020).  profile findings of insured and uninsured diabetes mellitus type 2 patients at university kebangsaan malaysia specialist center in malaysia.  - journal of health science and medical research.  73. 

muhammad adam adman, jamal hisham hashim, mohd rizal abdul manaf, dan norback.  (2020).  associations between air pollutants and peak expiratory flow and fractional exhaled nitric oxide in students.  - international journal of tuberculosis and lung disease.  189-195. 

arlizan baizura a., ida zarina zaini, mohd rizal am, hanita othman.  (2020).  prognostic value of high-sensitivity cardiac troponin i levels in patients with suspected acute myocardial infarction.  - 22nd medical & health research week 2020.  1. 

wan muhammad azfar bin wan shuaib, nor azlin mohd ismail, mohd rizal abdul manaf, hanita othman.  (2020).  third trimester serum uric acid levels in prediction of pre-eclampsia.  - 22nd medical & health research week.  1. 

mohd ihsanuddin abas, muhammad zulfakhar zubir, muhammad faiz mohd ishak, noor hazmi noor hassim, mohd fathulzhafran mohamed hanan, andrea banyu-lin, mohd rizal abdul manaf, aniza ismail, amrizal muhd nur, syed mohamed aljunid.  (2020).  patients' characteristics and outcomes analysis of copd readmissions in a teaching hospital in kuala lumpur, malaysia.  - international medical journal.  705-708. 

idayu badilla idris, rohaizat hassan, rozita hod, zaleha md is, aniza ismail, azimatun noor aizuddin, azmawati mohammed nawi, mohd rizal abdul manaf, roszita ibrahim, hazlina mohd miskam, sazman wahab, nabila jaseni, noor mujanah kormin, fatin nazirah.  (2020).  dokumen coppa phd kesihatan masyarakat, jabatan kesihatan masyarakat fpukm.  - .  1-172. 

ani amelia zainuddin, sonia regina grover, chong hong soon, nur azurah abdul ghani, zaleha abdullah mahdy, mohammad rizal abdul manaf, khadijah shamsuddin.  (2020).  a multicenter cross-sectional study of malaysian females with congenital adrenal hyperplasia: their body image and their perspectives on feminizing surgery.  - journal of pediatric and adolescent gynecology.  477-483. 

nur ayub ma, suriati ms, muhammad ishamuddin, hairulfaizi h, fahmi pramadittor a, mohamad arif mn, mohd ramzisham ar, mohd rizal am, katijjahbe ma.  (2020).  trajectory of change in erectile dysfunction symptoms following coronary artery bypass surgery in malaysia population.  - minggu penyelidikan perubatan & kesihatan ke-22.  36. 

nur ayub ma, doa el-ansary, mohd ramzisham ar, chong th, mohamad arif mn, royse ar, mohd rizal am, suriah a, katijjahbe ma..  (2020).  a study protocol examining the efficacy of early supervised incremental resistance training (esprit) following cardiac surgery via median sternotomy - a multi-centre randomized controlled trial.  - minggu penyelidikan perubatan & kesihatan ke-22.  37. 

nur ayub ma, katijjahbe ma, muhammad ishamuddin, hairulfaizi h, mohd rizal am, mohd ramzisham ar.  (2020).  validation of the euroscore ii following coronary artery bypass graft in a single teaching hospital in malaysia.  - minggu penyelidikan perubatan & kesihatan ke-22.  38. 

shahrir, sn, abdul manaf, mr, mustapha, fi, md. isa, z.  (2019).  critical review on dietary sodium reduction policies in malaysia.  - international food research journal.  33-40. 

aniza binti ismail;syed mohamed al-junid bin syed junid;mohd rizal bin abdul manaf;saperi bin sulong.  (2019).  economic burden and cost effectiveness analysis of breast cancer treatment in malaysia.  - .  1-6. 

khadijah binti alavi;zahara binti abdul manaf;mohd rizal bin abdul manaf;mohd hasni bin ja`afar;rosnah binti sutan;mohd suhaimi bin mohamad.  (2019).  keberkesanan pemerkasaan pelajar gerontologi ukm sebagai sahabat warga emas.  - .  . 

nor hasyimah haron, ezanee azlina mohamad hanif, mohd rizal abdul manaf, jasmi ali yaakub, roslan harun, ramelah mohamed, isa mohamed rose.  (2019).  microsatellite instability and altered expression of mlh1 and msh2 in gastric cancer.  - asian pacific journal of cancer prevention.  509-517. 

shaanthana subramaniam, chin-yi chan, ima-nirwana soelaiman, norazlina mohamed, norliza muhammad, fairus ahmad, mohd rizal abd manaf, pei-yuen ng, nor aini jamil, kok-yong chin.  (2019).  prevalence and predictors of osteoporosis among the chinese population in klang valley, malaysia.  - applied sciences.  1-11. 

naren kumar surendra , mohd rizal abdul manaf, lai seong hooi, sunita bavanandan, fariz safhan mohamad nor, shahnaz shah firdaus khan, loke meng ong and abdul halim abdul gafor.  (2019).  health related quality of life of dialysis patients in malaysia: haemodialysis versus continuous ambulatory peritoneal dialysis.  - bmc nephrology.  1-10. 

aniza ismail, zaleha md isa, mohd rizal abd manaf, norayuni ismail,zulkefley bin mohammad, azizul rahman bin mohamad jamil, nur suhada ramli.  (2019).  laporan program jom sihat dan survey kampung orang asli kuala pangsun hulu langat selangor.  - .  1-66. 

chin yi chan, shaanthana subramaniam, kok-yong chin, soelaiman ima-nirwana, norliza muhammad, ahmad fairus, abdul manaf mohd rizal, pei yuen ng, jamil nor aini, noorazah abd aziz and norazlina mohamed.  (2019).  knowledge, beliefs, dietary, and lifestyle practices related to bone health among middle-aged and elderly chinese in klang valley, malaysia.  - international journal of environmental research and public health.  1-21. 

hirman ismail, mohd rizal abdul manaf, abdul halim abdul gafor, zaki morad mohamad zaher, adriana irawati nur ibrahim.  (2019).  economic burden of esrd to the malaysian health care system.  - kidney international reports.  1261-1270. 

siti diyana ibrahim, rosnah sutan, mohd rizal abd manaf.  (2019).  perlaksanaan program doktor muda di malaysia dan halangannya.  - journal of social sciences and humanities.  1-9. 

sharul rizam samsury, nor azlin mohamed ismail, anizah ali, rosmaliana zulkifli, mohd rizal abdul manaf, yong junina fadzil, dyah ekashanti octorina dewi.  (2019).  application of z-score among reported normal cardiac structure on foetal echocardiography assessment.  - the medical journal of malaysia.  9. 

sharul rizam samsury, nor azlin mohamed ismail, anizah ali, rosmaliana zulkifli, mohd rizal abdul manaf, yong junina fadzil, dyah ekashanti octorina dewi.  (2019).  application of z-score among reported normal cardiac structure on foetal echocardiography assessment.  - 27th international congress of the obstetrical & gynaecological society of malaysia (ogsm 2019).  0. 

muhammad aklil abd rahim, fadzrul hafiz johani, shamsul azhar shah, mohd rohaizat hassan,mohd rizal abdul manaf.  (2019).  13c-urea breath test accuracy for helicobacter pylori infection in the asian population: a meta-analysis.  - annals fo global health.  1-10. 

nur adibah mat saruan, hanizah mohd yusoff, sharifa ezat wan puteh, mohd fadhli mohd fauzi & mohd rizal abd manaf.  (2019).  organisational intervention on absenteeism among workers: a systematic review.  - jurnal pengurusan.  155-171. 

mohamad selamat e, wan puteh se, syed rusli sas, abdul manaf mr.  (2019).  economic evaluation of imatinib as first-line treatment for chronic myeloid leukemia: a systematic review.  - 13th post graduate forum on health system and policy.  17. 

khadijah alavi, mohd rizal haji abdul manaf, rosnah sutan, mohd hasni jaafar & suzana sahar.  (2019).  kejurulatihan kesukarelawan warga emas komuniti: beranang youth for elderly care (bayec) berpandukan triple helix model (universiti-komuniti-kerajaan).  - k inovasi 2019 pendidik 4.0 pereka pengalaman pembelajaran bermakna.  1. 

mohd fadhli mohd fauzi, hanizah mohd yusoff, mohd rizal abd manaf, nazarudin safian, muhammad aklil abd rahim, mohd faizal madrim, azman atil @ azmi, ammar amsyar abdul haddi and nur adibah mat saruan.  (2019).  intervention for occupational fatigue and sleepiness among healthcare workers working in shift: a systematic review.  - malaysian journal of public health medicine.  47-53. 

naren kumar surendra, mohd rizal abdul manaf, lai seong hooi, sunita bavanandan, fariz safhan mohamad nor, shahnaz shah firdaus khan, ong loke meng, abdul halim abdul gafor.  (2019).  cost utility analysis of end stage renal disease treatment in ministry of health dialysis centres, malaysia: hemodialysis versus continuous ambulatory peritoneal dialysis.  - plos one.  1-16. 

pui ling thong, sau wei wong, mohd rizal abdul manaf, ming lee lee, kanaheswari yoganathan.  (2019).  health-related quality of life in paediatric spina bifida.  - medical journal of malaysia.  281-287. 

hirman ismail, mohd rizal abdul manaf, abdul halim abdul gafor, zaki morad mohamad zaher, adriana irawati nur ibrahim.  (2019).  international comparisons of economic burden of end stage renal disease to the national healthcare systems.  - international medical journal of malaysia.  188-196. 

nor aini jamil, chin kok yong, chan chin yi, shaanthana subramaniam, ima-nirwana soelaiman, norliza muhammad, fairus ahmad, mohd rizal abd manaf, ng pei yuen, norazah abd aziz, norazlina mohamed.  (2019).  osteoporosis and sarcopenia among post-menopausal women and men aged 50 years and older in klang valley, malaysia.  - 25th malaysian dietitians' association national conference 2019.  1. 

norfazillah ab manan, mohd rizal abdul manaf, rozita hod.  (2018).  the malaysia haze and its health economy impact: a literature review.  - malaysian journal of public health medicine.  . 

dayang anita abdul aziz, marjmin osman, felicia lim, rufina teo, zarina abdul latiff, rizal abdul manaf.  (2018).  external squeeze test during pediatric laparoscopic hernia repair: a novel on-table assessment to ensure complete closure of patent processus vaginalis.  - open access surgery.  1-3. 

nurul iftida basri, zaleha abdullah mahdy, shuhaila ahmad, abdul kadir abdul karim, lim pei shan, mohd rizal abdul manaf, nor azlin mohd ismail..  (2018).  the world health organization (who) versus the international association of diabetes and pregnancy study group (iadpsg) diagnostic criteria of gestational diabetes mellitus (gdm) and their associated.  - hormone molecular biology and clinical investigation.  . 

nordiah awang jalil, siti rokiah yusof, nor rina mahawar, razila yacob, farahzilla anuwar, nurhayatie mohamad kosnen, mohd rizal abdul manaf.  (2018).  strategies to prevent and control methicillin-resistant staphylococcus aureus infections in a tertiary hospital.  - southeast asia one health university network (seaohun) 2018 international conference.  . 

mohd rizal abdul manaf, ahmad fareed a rahman, aniza ismail, sharifa ezat wan puteh, azimatun noor aizuddin.  (2018).  psychometric evaluation of the malay version of the impact of weight on quality of life-lite (iwqol-lite) questionnaire.  - international journal of public health research.  . 

nordiah awang jalil, shariffah norasmah syed mustaffa, mohd rizal abdul manaf, nor rina mahawar, razila yacob, siti rokiah yusof, noor zetti zainol rashid.  (2018).  outcome of influenza vaccination rates among healthcare workers with improved interventions.  - 2018 world influenza conference.  . 

mohamed, norazlina, chin yi, chan, soelaiman ima-nirwana, kok yong, chin, subramaniam, shaanthana, muhammad, norliza, ahmad, fairus, abd manaf, mohd rizal, pei yuen, ng, jamil, nor aini.  (2018).  osteoporosis among middle-aged and elderly population in klang valley, malaysia: knowledge, belief and practices.  - medicine and health.  . 

naren kumar surendra, mohd rizal abdul manaf, hooi lai seong, sunita bavanandan, fariz safhan mohamad nor, shahnaz shah firdaus khan, ong loke meng, abdul halim abdul gafor.  (2018).  the cost of dialysis in malaysia: haemodialysis and continuous ambulatory peritoneal dialysis.  - malaysian journal of public health medicine.  . 

mohamed, norazlina, chin yi, chan, soelaiman, ima-nirwana, kok yong, chin, subramaniam, shaanthana, muhammad, norliza, ahmad, fairus, abd manaf, mohd rizal, pei yuen, ng, jamil, nor aini.  (2018).  osteoporosis among middle-aged and elderly population in klang valley, malaysia: knowledge, belief and practices.  - regional conference on non-communicable diseases.  . 

norazlina mohamed, ima nirwana soelaiman, mohd rizal abdul manaf, norliza muhammad, chin kok yong, fairus ahmad, nor aini jamil abdul wahab, ng pei yuen, chan chin yi.  (2018).  sindrom metabolik dan osteoporosis.  - .  1-33. 

khadijah alavi, rosnah sutan, suzana shahar, masne kadar, mohd rizal abdul manaf, mohd hasni jaafar.  (2018).  modul kejurulatihan kesukarelawan warga emas komuniti..  - .  . 

mohd shaiful azlan, rosnah ismail, mohd rizal abdul manaf.  (2017).  systematic review of organization stressors as predictors for job stress and burnout among university academicians in malaysia.  - international journal of public health and clinical sciences.  35-46. 

hasanain faisal ghazi, zaleha md. isa, mohd rizal abdul manaf, diana binti mahat, norazman mohd rosli, mohd ihsani mahmood, maged elnajeh.  (2017).  systematic review on effectiveness of interventional programmes in treating childhood obesity.  - advances in pediatric research.  1-9. 

feisul idzwan mustapha, soraya azmi, mohd rizal abdul manaf, zanariah hussein, nik jasmin nik mahir, fatanah ismail, azimatun noor aizuddin, adrian goh..  (2017).  what are the direct medical costs of managing type 2 diabetes mellitus in malaysia?.  - medical journal of malaysia.  271-277. 

sn shahrir, mr abdul manaf, fi mustapha, zm isa.  (2017).  critical review on dietary sodium policies in malaysia.  - 21st national public health colloquium 2017.  . 

mohd rizal abdul manaf, naren kumar surendra, abdul halim abdul gafor, lai seong hooi & sunita bavanandan.  (2017).  dialysis provision and implications of health economics on peritoneal dialysis utilization: a review from a malaysian perspective.  - international journal of nephrology.  1-7. 

mohd shaiful azlan, mohd rizal abdul manaf, noor safiza mohamad nor, rashidah ambak.  (2017).  effects of lifestyle intervention towards obesity and blood pressure among housewives in klang valley: a quasi-experimental study.  - malaysian journal of medical sciences.  83-91. 

adawiyah j, moonyza aak, hatta s, mohd rizal am, felix bby, nik ruzyanei nj, marhani m, srijit d, ng cg.  (2017).  the risk and associated factors of female sexual dysfunction (fsd) in women with psoriasis.  - international medical journal of malaysia.  107-113. 

muhammad haikal bin ghazali, shamsul azhar bin shah and mohd rizal bin abd manaf.  (2017).  what it takes to set up travel health services: a review from countries with established service.  - malaysian journal of public health medicine.  . 

mohd rizal abdul manaf, ahmad m qureshi, masoud lotfizadeh, kurubaran ganasegeran, hematram yadav, sami abdoradman al-dubai.  (2016).  factors associated with anxiety and depression among outpatients in malaysia : a cross-sectional study.  - malaysian journal of public health medicine.  181-187. 

massitah mihat, mohd rizal abdul manaf, mohamed ismail lasa.  (2016).  impact of diabetes medication therapy adherence clinic (dmtac) and determinants of success among type ii diabetic patients in seremban, malaysia.  - 6th international public health conference 2016.  . 

md annuar abd. samad, mohd rizal abdul manaf, roslan johari mohd ghazali, husmeela hussain.  (2016).  patient satisfaction and service quality: a survey of the outpatient services at cheras rehabilitation hospital.  - 6th international public health conference 2016.  . 

mohd rizal abdul manaf.  (2016).  cross subsidy in financial management of an academic health centre.  - 3rd international conference on multidisciplinary healthcare.  . 

da aziz, m osman, f lim, m mohdnor, r abdul manaf.  (2016).  external squeeze test (est) at laparoscopic hernia repair; a novel on-table assessment to ensure complete closure of tatent process vaginalis.  - 29th international symposium of pediatric surgical research.  . 

m rizal abdul manaf, madihah mustafa, mohd rizam abdul rahman, khairul hazdi yusof, noor azah abd aziz.  (2016).  factors influencing the prevalence of mental health problems among malay elderly residing in a rural community: a cross-sectional study.  - plos one.  1-12. 

tuti ningseh mohd dom, shahida mohd said, mohd rizal abdul manaf, khairiyah abdul muttalib, syed mohamed aljunid.  (2016).  a detailed framework of methods used to calculate costs of periodontal treatment in malaysian public dental clinics.  - malaysian journal of public health medicine.  249-260. 

vida samiei, sharifa ezat wan puteh, mohd rizal abdul manaf, khalib abdul latip, aniza ismail.  (2016).  are malaysian diabetic patients ready to use the new generation of health care service delivery? a telehealth interest assessment.  - the malaysian journal of medical sciences.  44-52. 

rozita hod, mohd rizal abd manaf.  (2016).  one health approach: introduction course among future one health workforce in beranang community training center, national university of malaysia.  - the 4th international one health congress and 6th biennial congress of the international association for ecology and health.  . 

aniza ismail, mohd rizal abd manaf, jamilah yusoff, saperi sulong.  (2016).  disease and economic burden of breast cancer management.  - 48th asia-pasific academic consortium for public health conference.  . 

sami ar al-dubai, jane sempeho, hematram yadav, ramesh sahathevan, zhe k law, mohd ra manaf.  (2016).  pre-hospital delays in ischemic stroke patients in a malaysian tertiary hospital.  - international journal of stroke.  1-2. 

zobaida edib, verasingam kumarasamy, norlia binti abdullah, am rizal and sami abdo radman al-dubai.  (2016).  most prevalent unmet supportive care needs and quality of life of breast cancer patients in a tertiary hospital in malaysia.  - health and quality of life outcomes.  1-10. 

kurubaran ganasegeran, wilson perianayagam, mohd rizal abdul manaf, saad ahmed ali jadoo and sami abdo radman al-dubai.  (2015).  patient satisfaction in malaysia`s busiest outpatient medical care.  - the scientific world journal.  1-6. 

anisah omar, osman che bakar, nor fatini adam, hakim osman, arina osman, ahmad hatim suleiman, mohd rizal abdul manaf & mohd ikhsan selamat.  (2015).  seropositivity and serointensity of toxoplasma gondii antibodies and dna among patients with schizophrenia.  - korean journal of parasitology.  29-34. 

mohd rizal abdul manaf, khalib abdul latif, ahmad taufik jamil, nor azmi kamaruddin, zanariah, hamimah, norizzati dan sabrizan osman.  (2015).  effectiveness of e-mail based empowerment programme (e-beep) among type ii diabetes patients glycemic control, quality of life, and cost-effectiveness: an intervention study.  - the medical journal of malaysia.  24. 

rizal a.m., chiew w. & roslan j..  (2015).  comparative study of nurse managers` job dissatisfaction in public hospitals and health clinics in malaysia.  - internal medicine: open access.  1-7. 

mohd rizal am, khalib al, ahmad taufik j, nor azmi k, zanariah, hamimah s, norizzati b, sabrizan o.  (2015).  cost-effectiveness of e-mail based empowerment programme (e-beep) among type ii diabetes mellitus in malaysia.  - brunei international medical journal.  s14. 

yoganathan kanaheswari and abdul manaf mohd rizal.  (2015).  renal scarring and chronic kidney disease in children with spina bifida in a multidisciplinary malaysian centre.  - journal of paediatrics and child health.  1175-1181. 

al-dubai sar, ganasegaran k, barua a, rizal am, rampal kg.  (2014).  evaluation of psychometric properties of the malay version perceived stress scale in two occupational settings in malaysia.  - annals of medical & health sciences research.  4(2):104-107. 

tuti ningseh mohd dom, sharifa ezat wan puteh, amrizal muhd nur, rasidah ayob, mclindent, mohd rizal abdul manaf, khairiyah abdul muttalib, syed mohamed aljunid.  (2014).  cost effectiveness of periodontitis management in public sector specialist periodontal clinics: a societal perspective research in malaysia.  - value in health regional issues.  3(1):117-123. 

nurzuriana zaki, maniam thambu, suriati mohamed saini, mohd rizal abdul manaf.  (2014).  economic impact of depression on patients in klang valley: a 6-months prospective study.  - 18th malaysian conference on psychological medicine & 1st federation of psychiatric associations regional meeting.  . 

kurubaran ganasegeran, pukunan renganathan, mohd rizal abdul manaf, sami abdo radman al-dubai.  (2014).  factors associated with anxiety and depression among type 2 diabetes outpatients in malaysia: a descriptive cross-sectional single-centre study.  - bmj open.  4:e004794. 

c.c.k. ho, k.s. ngoo, a.h hamzaini, a.m.m. rizal, m.z. zulkifli.  (2014).  urinary bladder characteristics via ultrasound as predictors of acute urinary retention in men with benign prostatic hyperplasia.  - clinica terapeutica.  165(2):. 

kurubaran ganasegeran, j. michael menke, vasudeva murthy challakere ramaswamy, mohd rizal abdul manaf, aled m. alabsi & sami abdo radman al-dubai.  (2014).  level and determinants of knowledge of symptomatic knee osteoarthritis among railway workers in malaysia.  - biomed research international.  Article ID 370273. 

y kanaheswari, r kavitha, amm rizal.  (2014).  urinary tract infection and bacteriuria in children performing clean intermittent catheterization with reused catheters.  - spinal cord.  209-212. 

tuti ningseh mohd-dom, rasidah ayob, amrizal mohd-nur, mohd rizal abdul-manaf, noorlin ishak, khairiyah abdul-muttalib, syed mohamed aljunid, yuhaniz ahmad-yaziz, hanizah abdul-aziz, noordin kasan.  (2014).  cost analysis of periodontitis management in public sector specialist dental clinics.  - bmc oral health.  2014, 14:56. 

adibah hanim ismail, rawa bau, hatta sidi, ng chong guan, marhani midin, nik ruzyanei nik jaafar, srijit das, mohd rizal abdul manaf.  (2014).  orgasmic dysfunction among malay diabetic women in malaysia.  - comprehensive psychiatry.  55(S1):S29-S33. 

tuti ningseh mohd dom, rasidah ayob, amrizal muhammad nur, noorlin ishak, mohd rizal abdul manaf, syed mohamed aljunid, ahmad sharifuddin mohd asari, khairuyah abdul muttalib.  (2014).  estimating costs of periodontal treatment in public sector dental specialist clinics.  - bmc public health.  P11. 

mohd rizal abdul manaf, mastura mohd tahir, hatta sidi, marhani midin, nik ruzyanei nik jaafar, srijit das & abdul muizz abd malek.  (2014).  pre-marital sex and its predicting factors among malaysian youths.  - comprehensive psychiatry.  55(S1):S82-S88. 

chiew wye lee, mohd rizal abdul manaf, roslan johari mohamad ghazali & j thuraisingham.  (2014).  perceived satisfaction and problems faced among nurse sisters in public hospitals and health clinics in malaysia.  - 4th international public health conference.  . 

sempeho j, rizal abdul manaf m, sahathevan r, al-dubai s, kang law z.  (2014).  determinants and effects of pre-hospitalisation delays in stroke patients in universiti kebangsaan malaysia medical centre (ukmmc).  - neuroepidemiology.  102-3. 

hasriza hashim, shahrul azmin, hamizah razlan, nafisah wan yahya, hui jan tan, m rizal abdul manaf, norlinah mohamed ibrahim.  (2014).  eradication of helicobacter pylori infection improves levodopa action, clinical symptoms and quality of life in patients with parkinson`s disease.  - plos one.  1-7. 

azimatun noor a, amrizal mn, t weng kang, rafidah ar, y geok hong, adibah a, aniza i, sharifa ezat wp, mohd rizal am.  (2014).  cost analysis of hypertension management in an urban primary medical centre kuala lumpur.  - malaysian journal of public health medicine.  18-23. 

mastura mt, rizal am & ahmad taufik j.  (2014).  predicting factors of retention in government services among medical officers in sabah and sarawak.  - 4th international public health conference.  . 

siti yazmin zs, nor aini u, zarida h, rodinom r, rizal am.  (2014).  subclinical hypothyroidism among patients with depressive disorder.  - international congress of pathology and laboratory medicine, in conjunction with 48th malaysia-singapore congress of medicine.  . 

siti yazmin zs, nor aini u, zarida h, rosdinom r, rizal am.  (2014).  subclinical hypothyroidism among patients with depressive disorders.  - malaysian journal of pathology.  95. 

mohd rizal am, khalib al, ahmad taufik j, nor azmi k, zanariah h, sabrizan o.  (2014).  validation of malay version of diabetes empowerment scale-short form.  - 4th international public health conference.  . 

mohd rizal am, khalib al, ahmad taufik j, nor azmi k, zanariah, hamimah s, norizzati b & sabrizan o.  (2014).  effectiveness of e-mail based empowerment programme on glycaemic control, quality of life and empowerment level: a clinical based intervention study.  - 4th international public health conference.  . 

madihah m, nor azah a, rizam ar, khairul hazdi y & rizal am.  (2014).  mental health problems among malay elderly in a rural area of perak, malaysia.  - 4th international public health conference.  . 

nurul zaireen mohammad uha, rahimah rahmat, nani harlina md latar, rizal abdul manaf, noraidah masir.  (2013).  cyclin d1 expression in thyroid neoplasm and its correlation with clinicopathological features.  - minggu penyelidikan perubatan & kesihatan ke-15.  . 

christopher chee kong ho, poh keat seong, zulkifli md zainuddin, mohd rizal abdul manaf, muhilan parameswaran, azad ha razack.  (2013).  retrospective study of predictors of bone metastasis in prostate cancer cases.  - asian pacific journal of cancer prevention.  14(5):2203-2206. 

mohd rizal haji abdul manaf.  (2013).  ekonomi kesihatan.  - .  184-193. 

emad adel al-shdaifat, mohd rizal abdul manaf.  (2013).  the economic burden of hemodialysis in jordan.  - indian journal of medical sciences.  67(5 & 6):103-116. 

sami abdo radman al-dubai, mustafa ahmed alshagga, mohd rizal abdul manaf.  (2013).  mentoring and perceived stress level among private medical students: a malaysian perspective.  - procedia - social and behavioral sciences.  93:276-280. 

mohd rizal haji abdul manaf.  (2013).  ekonomi kesihatan.  - .  36-60. 

ariff fadzil, kartini balakrishnan, rosdinom razali, hatta sidi, thinakaran malapan, robert peter japaraj, marhani midin, nik ruzyanei nik jaafar, srijit das & mohd rizal abdul manaf.  (2013).  risk factors for depression and anxiety among pregnant women in hospital tuanku bainun, ipoh, malaysia.  - asia-pacific psychiatry.  5(S1):7-13. 

sharifa ezat wan puteh, natrah mohd. saad, syed mohd aljunid, mohd rizal abdul manaf, saperi sulong, ismail sagap, fuad ismail and muhd azrif muhammad annuar.  (2013).  quality of life in malaysian colorectal cancer patients.  - asia-pacific psychiatry.  5(S1):110-117. 

hasriza h, wan nur nafisah wy, hamizah r, rizal am, tan hj, norlinah mi.  (2013).  effects of helicobacter pylori eradication in patients with parkinson`s disease.  - 24th annual scientific meeting of malaysian society of neurosciences.  . 

moonyza akmal ahmad kamil, adawiyah jamil, hatta sidi, mohd rizal abdul manaf, felix yap boon bin, nik ruzyanei nik jaafar.  (2013).  the relationship between quality of life and sexual function in female patients with psoriasis.  - 8th malaysia indonesia brunei medical sciences conference.  . 

nur afdzillah abdul rahman, rohaizak muhammad, rizal manaf, shahrun niza abdullah suhaimi, nani harlina md latar.  (2013).  a cost-effectiveness study on sutureless versus conventional thyroidectomy.  - annual general meeting & annual scientific meeting.  . 

rasyedah ahmad raqi, boyd swinburn, marj moodie, mark lawrence, mohd ismail noor, and rizal abdul manaf.  (2013).  assessing food policy options to reduce obesity in malaysia: a stakeholders` participatory process.  - proceeding of the international symposium of health sciences 2013.  . 

saad ahmed ali jadoo, syed mohamed aljunid, seher nur sulku , sami abdo radman al-dubai, sharifa ezat wan puteh, zafar ahmed, mohd rizal abdul manaf, saperi b sulong, amrizal muhammad nur.  (2013).  health system reform from the people`s point of view: development of reliable valid questionnaire.  - malaysian journal of public health medicine.  13(2):65-76. 

hamat, r. a., nor amalina, e., malina, o., zamberi, s., alfizah, h., rizal, a. m., aminuddin, a. and ramelah, m..  (2013).  ethnic differences in the prevalence, clinical outcome and cag pathogenicity island (cagpai) virulence gene profiles of helicobacter pylori strains from malaysia.  - pertanika journal of tropical agricultural science.  36(4):289-298. 

ani amelia zainuddin, sonia grover, zaleha abdullah mahdy, wu loo ling, rahmah rasat, fatimah harun, shia wee yan, mohd rizal abdul manaf, khadijah shamsuddin.  (2013).  gender role behaviour in childhood of female patients with congenital adrenal hyperplasia in malaysia.  - 5th world congress on ishid.  . 

hasriza h, hamizah r, wan nur nafisah wy, tan hj, rizal am, lim sy, norlinah mi.  (2013).  an open label, single arm study of the effects of h. pylori eradication in parkinson`s disease.  - 17th international congress of parkinson`s disease and movement disorders.  . 

saad ahmed ali jadoo, syed mohamed aljunid, seher nur sulku, sharifa ezat wan puteh, zafar ahmed, mohd rizal abdul manaf, sami abdo rahman al-dubai, saperi b sulong, amrizal muhammad nur.  (2013).  people expectations from healthcare providers - a turkish perspective.  - malaysian journal of public health medicine.  13(2):88-97. 

emad shdaifat, mohd rizal abdul manaf.  (2013).  haemodialysis in jordan: socio-demographic data, clinical analysis and projecting burden.  - middle-east journal of scientific research.  14(5):624-632. 

ezat sw, natrah ms, aljunid s, rizal ma, saperi s, ismail s, fuad i, azrif ma.  (2013).  economic evaluation of monoclonal antibody in the management of colorectal cancer.  - journal of cancer research & therapy.  1(1):34-39. 

noor azah aziz, shanaz muhamad, mohd rizak abd manaf, mohd zaini abd hamid.  (2013).  factors influencing h1n1 vaccination among primary health care workers: a cross-sectional study.  - international journal of preventive medicine.  4 (6): 664 - 70. 

ali mf, aziz na, aznida faa, rizal am, azmin s.  (2013).  prospective study of functional recovery of stroke patients at three months post admission: outcomes and implications for post stroke care provision.  - medicine & health.  19-27. 

tuti ningseh mohd-dom, khairiyah abdul-muttalib, rasidah ayob, yaw siew lan, ahmad sharifuddin mohd-asadi, mohd rizal abdul-manaf, syed mohamed aljunid.  (2013).  periodontal status and provision of periodontal services in malaysia: trends and way forward.  - malaysian journal of public health medicine.  13(2):38-47. 

ani amelia zainuddin, sonia grover, zaleha abdullah mahdy, wu loo ling, rahmah rasat, fatimah harun, chia wee yan, mohd rizal abdul manaf, khadijah shamsuddin.  (2013).  outcomes of female patients with congenital adrenal hyperplasia in malaysia.  - 5th world congress on ishid.  . 

emad a.s., rizal a.m..  (2012).  quality of life of caregivers and patients undergoing haemodialysis at ministry of health, jordan.  - international journal of applied science and technology.  2(3):75-85. 

sharifa ezat w.p., natrah s, mohd rizal a.m, syed aljunid, saperi s,ismail s, fuad i, muhammad azrif m.a..  (2012).  quality of life in malaysian colorectal cancer patients: a preliminary result.  - 10th international conference of the asian clinical oncology society.  . 

natrah ms, sharifa ezat w.p., syed ma, mohd rizal am., saperi s., ismail s, fuad i, muhd azrif ma.  (2012).  quality of life in malaysian colorectal cancer patients.  - 17th malaysian conference on psychological medicine and the 6th asian society against dementia international congress.  . 

m fairuz ali, na aziz, afa aziz, am rizal, s azmin.  (2012).  early functional recovery of ischaemic stroke patients after 3 months of transfer of care from hospital to the community: a prospective observational study.  - cerebrovascular diseases.  34(suppl 1): 46. 

munizam abd.majid, aniza ismail, oteh maskon, faizal amri hamzah, abdul halim gafor,nor azmi kamaruddin, rizal am, saperi sulung.  (2012).  the development of severe hypertension clinical pathway in universiti kebangsaan malaysia centre.  - journal of community health.  18(S1):94. 

tuti ningseh mohd dom, syed mohamed al junid, mohd rizal abd manaf, khairiyah abd muttalib, ahmad mohd asari, rasidah ayob, yuhaniz yaziz, noorlin ishak, hanizah abdul aziz, noordin kasan.  (2012).  patient-reported outcomes after one year of periodontal treatment at public specialist dental clinics in peninsular malaysia.  - bmc public health.  12(Suppl 2):A4. 

tuti ningseh mohd dom, shahida mohd said, aznida firzah abdul aziz, mohd rizal abdul manaf, syed mohamed aljunid.  (2012).  periodontal disease as an indicator of chronic non-communicable diseases: evidence from literatures.  - bmc public health.  12(Suppl 2):A26. 

izamin idris, mohd rizal abdul manaf.  (2012).  chest x-ray as an essential part of routine medical examination: is it necessary?.  - medical journal of malaysia.  67(6):606-609. 

natrah ms, sharifa ezat wp, syed ma, mohd rizal am, saperi s, ismail s, fuad i, muhd azrif ma.  (2012).  economic evaluation of monoclonal antibody in the management of colorectal cancer.  - journal of community health supplement.  18(S1):61. 

emad a shdaifat, mohd rizal abdul manaf.  (2012).  quality of life among jordanian patients on haemodialysis and their caregivers.  - bmc public health.  12(Suppl 2):A14. 

ms natrah, sharifa ezat wp, ma syed, mohd am rizal, s saperi, s. ismail, i fuad, muhd ma azrif.  (2012).  economic evaluation of monoclonal antibody in the management of colorectal cancer in malaysia.  - bmc health services research.  12(Suppl 1):7. 

ms natrah, sharifa wp ezat, ma syed, am mohd rizal, s saperi.  (2012).  quality of life in malaysian colorectal cancer patients: a preliminary result.  - asian pacific journal of cancer prevention.  13(3):957-962. 

hafizah abdullah, hashim omar, rizal abdul manaf, noraini umar.  (2012).  maternal serum cystatin c and pregnancy outcome in preeclampsia.  - 22nd annual scientific meeting, malaysian association of clinical biochemists.  . 

natrah mohd, sharifa ezat, syed mohamed aljunid, mohd rizal abdul manaf, saperi sulong, ismail sagap,muhd azrif.  (2012).  cost analysis of colorectal cancer (crc) management in ukm medical centre using clinical pathway.  - bmc public health.  12(Suppl 2):A40. 

ming yueh lee, niven c.s. teh, mohamed nur zulekha, sandragasu thayanithi, mohd noor jelinar, a.m rizal, wan arfah.  (2012).  the effects of fixed combination of bimatoprost-timolol and travoprost-timolol on intraocular pressure in patients with primary open-angle glaucoma or ocular hypertension, previously on nonfixed....  - asia-pacific journal of ophthalmology.  1(4):208-212. 

sharifa ezat wp, azimatun noor aizuddin, zakiah zainuddin, mohd rizal and manaf, syed aljunid.  (2012).  catastrophic health expenditure and its influencing factors in malaysia.  - bmc health services research.  12(Suppl 1):7. 

hanafiah alfizah, mohamed ramelah, abdul m. rizal, abdullah s. anwar and mohamed r. isa.  (2012).  association of malaysian helicobacter pylori virulence polymorphisms with severity of gastritis and patients` ethnicity.  - helicobacter.  17(5): 340-349. 

mohd rizal abdul manaf.  (2012).  medical ethics: what you should know?.  - international journal of public health research.  2(1):129-136. 

noorharisman ideris, rizal manaf, holdan ibrahim al sheikh, ismail sagap.  (2012).  cost-effectiveness analysis elective colectomy in universiti kebangsaan malaysia medical centre, kuala lumpur: open versus laparoscopic.  - coloproctology.  . 

liew yk, saraswathiy m, muhamad zulhilmi akmal z, nurul shashida a, mohd rizal am, norzilawati mn.  (2012).  obstetrics complications: does paternal age play a role?.  - 4th medical undergraduate scientific research meeting 2012.  . 

sami abdo radman al-dubai, kurubaran ganasegeran, aied m alabsi, mohd rizal abdul manaf, sharea ijaz, saba kassim.  (2012).  exploration of barriers to breast-self examination among urban women in shah alam, malaysia: a cross sectional study.  - asian pacific journal of cancer prevention.  13(4):1627-1632. 

kurubaran ganasegeran, sami ar al-dubai, ahmad m qureshi, al-abed aa al-abed, rizal am, syed m aljunid.  (2012).  social and psychological factors affecting eating habits among university students in a malaysian medical school: a cross sectional study.  - nutrition journal.  11 (1) , art. no. 48. 

tuti ningseh md, shahida ms, aznida firzah aa, sharifah ezat wp, mohd rizal am, syed mohamed a.  (2011).  associations between periodontal disease and systemic conditions: implications for primary care physicians.  - medicine & health.  . 

aniza, i., mohd rizal, a.m., ng, y.s., mardhiyyah, m., helmi, i., khair syamimi, b., muhammad tahar, a.r..  (2011).  caregivers` satisfaction of healthcare delivery at paediatric clinics of universiti kebangsaan malaysia medical centre in 2009.  - medical journal of malaysia.  66(2):84-88. 

rizal am, munizam am, mastura mt, nurul` ain a, zakiah a, nasaruddin m, zulfadlil a, saad aaja, sara rekab ez, aniza i.  (2011).  cost analysis of open appendicectomy compared to laparoscopic appendicectomy in university kebangsaan malaysia medical centre (ukmmc) 2011.  - medicine & health.  6 (1 Suppl):222. 

rizal am, muhammad m, aljunid sm, normalina m, faridah ha, chuah kl, suzainah y, zainal m, azman ab.  (2011).  effectiveness of cataract surgery with intraocular lens implantation: a comparative study between extracapsular cataract extraction and phacoemulsification.  - journal of community health.  17(1):2-8. 

aizuddin an, hod r, rizal am, yon r, al junid sm.  (2011).  ability and willingness to pay for health care and contribute to national healthcare financing scheme among farmers in selangor.  - journal of community health.  17(1):56-63. 

a m rizal, i aniza, a b jannatul madihah, a r ahmad fareed & m s natrah.  (2010).  cost analysis of treating incomplete miscarriage with dilatation and curettage in universiti kebangsaan malaysia medical centre in 2010.  - journal of community health.  16(1):54-59. 

khalid ghailan, a. jusoh, m. rizal, sharifa ezat, f. ibrahim, jalal halil & s. aljunid.  (2010).  impact of hiv/aids morbidity on households economy in malaysia.  - global journal of health sciences.  2(2):142-153. 

i nor hayati, azimatun n a, rozita h, w.a sh ezat, a. m rizal.  (2010).  in-patients` satisfaction in the medical and surgical wards- a comparison between accredited and non accreditated hospital in the state of selangor.  - jurnal kesihatan masyarakat.  16(1):60-68. 

mazzre m, ohnmar h, ng mh, rizal am, bhi ruszymah, as naicker.  (2010).  evaluation tissue engineered biological conduit in peripheral nerve injury- animal study.  - 40th malaysian orthopaedic association.  . 

annuar a, yazid a, ohnmar h, ng mh, rizal am, bhi ruzymah, as naicker.  (2010).  comparative study between reversed autograft and surgically created sciatic nerve defect in rats - the neuro-physiological outcome.  - 40th malaysian orthopaedic association.  . 

alfizah h, rizal am, isa mr, aminudin a, jasmi ay, ramelah m.  (2010).  four years analysis of helicobacter pylori infection among patients with dyspeptic at universiti kebangsaan malaysia medical centre.  - medicine & health.  13-21. 

sa amin, m ali, i aniza, am rizal, s saperi, m amrizal, h noriah, j aishah, h hazlinda and s sharifa hildah.  (2009).  kajian analisa kos pembekal perkhidmatan kesihatan bagi rawatan pesakit diabetic foot wad ortopedik pusat perubatan universiti kebangsaan malaysia tahun 2006.  - jurnal of community health.  15(1):32-38. 

joseph henry leonard, chan poh choo, mohd. rizal abdul manaf, zaleha md isa, nor azlin mohd nordin, srijit das.  (2009).  development and evaluation of `neck pain and functional limitation scale`: a validation study in the asian context.  - indian journal of medical sciences.  63(10):445-454. 

ali munawar, aniza ismail, mohd rizal abd manaf.  (2009).  the effectiveness of communication for behavioural impact in controlling and preventing dengue in hulu langat district, selangor.  - 5th malaysia indonesia brunei medical sciences conference.  . 

chan pc., leonard jh, nor azlin mn, rizal mam, zaleha mi.  (2009).  validation of neck pain and fuctional limitation scale (npfls) among the neck pain patients.  - malaysian physiotherapy association national conference 2009.  . 

a azimatun noor, am mohd rizal, h rozita, sm aljunid.  (2009).  perception of individuals in farming sector towards health care services in the implementation of the new national health financing scheme.  - journal of community health.  15(1):16-20. 

ramelah mohamed, alfizah hanafiah, isa m rose, mohd rizal a manaf, shiekh anwar abdullah, ismail sagap, a van belkum, jasmi a yaacob.  (2009).  helicobacter pylori caga gene variants in malaysians of different ethnicity.  - european journal of clinical microbiology and infectious diseases.  28(7):865-869. 

nor azlin mn, rizal am, wei bi l.  (2009).  health-related quality of life among stroke survivors attending rehabilitation centres in selangor.  - journal of community health.  15(2):83-90. 

i izamin, i aniza, am rizal, sm aljunid.  (2009).  comparing extracorporeal shock wave lithotripsy and ureteroscopy for treatment of proximal ureteric calculi: a cost effectiveness study.  - medical journal of malaysia.  64(1):12-21. 

nor azlin, m.n., loh, w. b. tracy , mohd rizal, a. m., ayiesah, r. & leornard, h.j..  (2008).  kualiti hidup pesakit strok di pusat rehabilitasi national stroke association of malaysia (nasam).  - simposium sains kesihatan kebangsaan ke 7 2008 / hotel legend, kuala lumpur, 18-19 jun 2008.  . 

hamidah a, rizal a m, nordiah a j, jamal r.  (2008).  piperacillin-tazobactam plus amikacin as an empirical therapy of febrile neutropenia in paediatric cancer patients.  - singapore medical journal.  49(1):26-30. 

aniza i, rizal a.m., izamin i, sharifa ezat w.p, syed mohamed a.  (2008).  comparing extracorporeal shock wave lithotripsy and ureteroscopy for treatment of proximal ureteric calculi: a cost effectiveness study.  - malaysian journal of public health medicine.  8(S4):14. 

tan hj, suganthi c, dhachayani s, mohd rizal am, raymond aa.  (2007).  the coexistence of anxiety and depressive personality traits in migraine.  - singapore medical journal.  48(4):307-310. 

lee m.y., hussain r.b.t., mohamad m.b.t., rizal a.m..  (2007).  effect of diabetes on visual acuity following phacoemulsification cataract surgery.  - asian journal of ophthalmology.  9(6):245-50. 

tan hj, suganthi c, dhachayani s, rizal am, raymond aa.  (2007).  the electroencephalogram changes in migraineurs.  - medical journal of malaysia.  61(1):56-58. 

rizal am., aljunid sm., faridah hanom a., chuah kl. & normalina m.  (2007).  cost-effectiveness analysis of cataract surgery with intraocular lens implantation: extracapsular cataract extraction versus phacoemulsification.  - medical journal of indonesia.  16(1):25-31. 

hj tan, c suganthi, s dhachayani, am rizal, aa raymond.  (2006).  suicidal ideation in migraine.  - neurology asia.  11:103-106. 

rohana abdul ghani, soehardy zainudin, norella ct kong, ahmad fauzi abdul rahman, syed rozaidi wafa syed hussain wafa, marlyn mohamad, mohd rizal abdul manaf, and rahimah ismail.  (2006).  serum il-6 and il-1-ra with sequential organ failure assessment scores in septic patients receiving high-volume haemofiltration and continuous venovenous haemofiltration.  - nephrology.  11(5):386-393. 

a m rizal, m h enna, s m aljunid, a g rohana, z soehardy, c t k norella.  (2006).  cost-effectiveness analysis of continuous venovenous hemofiltration therapy in the treatment of sepsis in hospital universiti kebangsaan malaysia: a comparison between high volume and standard dose he.  - journal of community health.  12(1)1-7. 

tan hj., rizal am., rosmadi my. & goh kl.  (2006).  role of helicobacter pylori virulence factor and genotypes in non-ulcer dyspepsia.  - journal of gastroenterology & hepatology.  21(1):110-115. 

s. dyah pitaloka and a.m. rizal.  (2006).  patients satisfaction in antenatal clinic hospital universiti kebangsaan malaysia.  - jurnal kesihatan masyarakat.  12(1). 

norhayati ibrahim, sharifa ezat, mohd rizal.  (2006).  customers satisfaction in accredited and non-accredited hospitals in selangor.  - 2nd malaysia indonesia medical science conference 2006 / borobudur hotel.  . 

haliza am., rizal am., raja jamaluddin ram & noorhaida u..  (2005).  kepuasan pelanggan di kalangan pesakit luar klinik kerajaan dan klinik swasta di seremban, negeri sembilan.  - jurnal kesihatan masyarakat.  11:1-11. 

tan hj, rizal am, rosmadi my, goh kl..  (2005).  distribution of helicobacter pylori caga, cage and vaca in different ethnic groups in kuala lumpur, malaysia.  - journal of gastroenterology and hepatology.  20(4) : 589-594. 

tan smk., shafiee z., wu ll., rizal am. & rey jm.  (2005).  factors associated with control of type i diabetes in malaysian adolescents and young adults.  - international journal of psychiatry in medicine.  35(2):123-136. 

nabil i, hamidon b, rizal am, raymond aa.  (2005).  risk factors and outcome of dysphagia after an acute ischaemic stroke.  - journal of the neurological sciences.  283(S1):S402. 

m ramelah, h alfizah, a aminuddin, mr isa, n sukumar, am rizal, mz mazlam & ay jasmi.  (2004).  distinct genetic diversity of helicobacter pylori caga gene.  - medical journal of malaysia.  59(Supp C):36. 

bs gendeh, sh mujahid, s murad, m rizal.  (2004).  atopic sensitization of children with rhinitis in malaysia.  - medical journal malaysia.  59(4):522-529. 

a m haliza, a m rizal, m. & r a m raja jamaluddin
.  (2003).  kajian kepuasan pelanggan di kalangan pesakit swasta di seremban, negeri sembilan.  - jurnal kesihatan masyarakat.  9:44-50. 

am rizal, s m aljunid, m normalina, a faridah hanom, k l chuah, y suzainah, m zainal, a b azman.  (2003).  cost analysis of cataract surgery with intraocular lens implantation: a single blind randomised clinical trial comparing extracapsular cataract extraction and phacoemulsification.  - medical journal of malaysia.  58(3):380-386. 

rizal a.m..  (2001).  kajian mengenai prevalens, tahap pengetahuan, sikap dan amalan penyakit hipertensi serta faktor yang mempengaruhinya di kalangan penduduk kampung batu 5, semenyih, selangor..  - jurnal kesihatan masyarakat.  7:57-62.