sandip patil, shaowei dong, devender sharma, bruno silvester lopes, alfizah hanafiah, xiaowen chen, feiqiu wen.  (2023).  molecular epidemiology and characterization of multidrug-resistant mrsa st398 and st239 in himachal pradesh, india.  - infection and drug resistance.  2339-2348. 

shahid aziz, simone könig, muhammad umer, tayyab saeed akhter, shafqat iqbal, maryum ibrar, tofeeq ur-rehman, tanvir ahmad, alfizah hanafiah, rabaab zahra, faisal rasheed.  (2023).  risk factor profiles for gastric cancer prediction with respect to helicobacter pylori: a study of a tertiary care hospital in pakistan.  - artificial intelligence in gastroenterology.  10-27. 

asif sukri, alfizah hanafiah, sandip patil, bruno s lopes.  (2023).  the potential of alternative therapies and vaccine candidates against helicobacter pylori.  - pharmaceuticals.  1-14. 

aswini kumareswaran, sophia ogechi ekeuku, norazlina mohamed, norliza muhammad, alfizah hanafiah, kok-lun pang, sok kuan wong, deborah chia hsin chew, kok-yong chin.  (2023).  the effects of tocotrienol on gut microbiota: a scoping review.  - life.  1-19. 

alfizah hanafiah.  (2023).  antibiotic resistance helicobacter pylori: past, present and future.  - international congress of pathology and laboratory medicine (icpalm) 2023.  1-31. 

asif sukri, alfizah hanafiah, nik ritza kosai.  (2023).  cd54, cd55 and cd71 regulate interleukin-8 secretion of helicobacter pylori-infected gastric epithelial cells in strain-dependent manner.  - simposium biologi kebangsaan 2023.  1. 

asif sukri, alfizah hanafiah, zarith nameyrra, raja affendi raja ali.  (2023).  high genomic diversity of multidrug-resistant helicobacter pylori in malaysia.  - 16th molecular epidemiology and evolutional genetic of infectious diseases conference.  1. 

gokben ozbey, alfizah hanafiah, asif sukri, frantisek zigo, juliana arvaiova.  (2023).  evaluation of the therapy protocols and vaccines applied in the covid-19 pandemic.  - emerging science journal.  1-15. 

alfizah hanafiah.  (2023).  genotypic resistance of helicobacter pylori.  - the 31st annual meeting of the korean college of helicobacter and upper gastrointestinal research & international symposium on helicobacter and upper gastrointestinal diseases & the 19th korea-japan joint symposium on helicobacter infection (hug 2023).  124-129. 

alfizah binti hanafiah;sharifah azura binti salleh;hamidah binti yusoff;neoh hui min;nur hazlin binti hazrin chong.  (2023).  new approach of infection control and pathogen eradication in hctm using metagenomic analysis.  - .  . 

alfizah hanafiah, asif sukri, nik ritza kosai, mohamad aznan shuhaili, mustafa mohammed taher & raja affendi raja ali.  (2023).  immunophenotyping of gastritis, gastric ulcer and gastric cancer using a cluster of differentiation (cd) antibody microarray.  - sains malaysiana.  187-197. 

alfizah hanafiah, shaza azlin razak, asif sukri, hui-min neoh, noraziah mohamad zin.  (2023).  insight on cagpai heterogeneity with antibiotic resistance in helicobacter pylori.  - 16th international conference on molecular epidemiology and evolutionary genetics of infectious diseases.  1. 

asif sukri, alfizah hanafiah, hamidah yusoff, nur atiqah shamsul nizam, zarith nameyrra, zhiqin wong and raja affendi raja ali.  (2022).  multidrug-resistant helicobacter pylori strains: a five-year surveillance study and its genome characteristics.  - antibiotics.  1-12. 

nabilah hisham, alfizah hanafiah, tan geok chin, nik ritza kosai, muaatamarulain mustangin.  (2022).  detection of expressed pro-inflammatory cytokine interleukin-32 in gastric cancer patients from ukm medical centre (ukmmc) using immunohistochemistry (ihc).  - gut 2022.  1. 

asif sukri, alfizah hanafiah, and nik ritza kosai.  (2022).  the roles of immune cells in gastric cancer: anti-cancer or pro-cancer?.  - cancers.  1-14. 

zalina ismail, alfizah hanafiah.  (2022).  prevalence of ampc beta-lactamase and extended spectrum beta-lactamase co-producer in escherichia coli and klebsiella sp. in hospital canselor tuanku muhriz.  - .  1-7. 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohammed taher, ramelah mohamed.  (2022).  new insight on the role of helicobacter pylori caga in the expression of cell surface antigens with important biological functions in gastric carcinogenesis.  - helicobacter.  1-8. 

shaza azlin razak, alfizah hanafiah, hui-min neoh, noraziah mohamad zin.  (2022).  impact of cagpai genomic diversity in helicobacter pylori strains upon interleukin-8 production by ags cells.  - the 30th annual meeting of the korean college of helicobcater and upper gastrointestinal research & international symposium on helicobacter and upper gastrointestinal diseases.  1. 

gökben Özbey, alfizah hanafiah, yashvanth shaan lakshmanappa, santosh dhakal, gourapura j renukaradhya.  (2022).  insights to the epidemiology, diagnosis and treatments of sars-cov-2.  - international journal of molecular and clinical microbiology.  1-8. 

bruno s. lopes, alfizah hanafiah, ramesh nachimuthu, saravanan muthupandian, zarith nameyrra md nesran and sandip patil.  (2022).  the role of antimicrobial peptides as antimicrobial and antibiofilm agents in tackling the silent pandemic of antimicrobial resistance.  - molecules.  1-25. 

alfizah hanafiah, shaza azlin abdul razak, noraziah mohamad zin, hui-min neoh.  (2022).  functional analysis of the cag-pathogenicity island in helicobacter pylori.  - .  1-6. 

asif sukri, alfizah hanafiah, hamidah yusoff, nur atiqah shamsul nizam, zarith nameyrra, zhiqin wong, raja affendi raja ali.  (2022).  emergence of multidrug resistance helicobacter pylori strains isolated from patients with history of failure eradication therapy: a five-year surveillance study in klang valley, malaysia.  - international union of microbiological societies (iums 2022).  1. 

alfizah hanafiah.  (2022).  helicobacter pylori: penyebab kanser perut?.  - impak.  5. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah ,muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2021).  16s rrna gene next-generation sequencing (16sngs) for bacterial pathogen identification: pilot study in a malaysian teaching hospital.  - international journal of infectious diseases.  180-203. 

neoh hui min;sheila nathan;a. rahman bin a. jamal;alfizah binti hanafiah;wong kon ken;petrick @ ramesh a/l k periyasamy;ramliza binti ramli;muttaqillah najihan bin abdul samat;tan toh leong;ang mia yang;sylvia chieng.  (2021).  transforming pathogen identification in an era of the 4th industrial revolution: development of a decision-making algorithm for rapid pathogen identification in the clinical microbiology laboratory .  - .  . 

muttaqillah najihan abdul samat, tzar mohd nizam khaithir, alfizah hanafiah & suhana harun.  (2021).  laboratory guide to clinical microbiology.  - .  7. 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher, isa mohamed rose.  (2021).  cluster of differentiation (cd) antigens as biomarkers for prognosis of different subtypes of gastric cancer: a preliminary study.  - precision health in industrial revolution 4.0 (ir 4.0): the technologies and health transformation.  20. 

ramliza ramli, alfizah hanafiah & hamidah yusoff.  (2021).  laboratory guide to clinical microbiology.  - .  11. 

alfizah hanafiah, umi kalsom @ satariah ali, wong kon ken & norsuhada ishak.  (2021).  laboratory guide to clinical microbiology.  - .  24. 

alfizah hanafiah, shaza azlin razak, hui-min neoh, noraziah mohamad zin.  (2021).  genomic diversity of the type iv secretion system in helicobacter pylori strains isolated from patients in ukm medical centre.  - international journal of infectious diseases.  120-158. 

norliyana nordin, nurzam suhaila hussin, alfizah hanafiah, anita sulong.  (2021).  staphylococcal aureus bacteraemia: clinical characteristic & evaluation of prolex staph xtra latex agglutination test in the rapid identification of staphylococcus aureus.  - malaysian journal of pathology.  435-447. 

asif sukri, bruno s. lopes and alfizah hanafiah.  (2021).  the emergence of multidrug-resistant helicobacter pylori in southeast asia: a systematic review on the trends and intervention strategies using antimicrobial peptides.  - antibiotics.  1-15. 

norlaila mustafa, zarina abdul latiff, alfizah hanafiah, salwati shuib, teoh seong lin, yogeswaran lokanathan, elena aisha azizan, mohd helmy mokhtar, tan jen kit.  (2021).  student guidebook for master in medical science and doctor of philosophy programmes (research mode) faculty of medicine ukm.  - .  1-42. 

nur azlina mohd fahami, quraisiah adam, fazalda annuar, alfizah hanafiah.  (2021).  potential effects of two malaysian honey on helicobacter pylori induced gastric ulcers in animal model.  - asian pacific digestive week 2021.  1. 

norlaila mustafa, zarina abdul latiff, alfizah hanafiah, salwati shuib, teoh seong lin, yogeswaran lokanathan, elena aisha azizan, mohd helmy mokhtar, tan jen kit, raja muhammad azlan shah raja alang m, nurul safaniza che ani.  (2021).  buku panduan pelajar program sarjana sains perubatan dan doktor falsafah (mod penyelidikan) fakulti perubatan universiti kebangsaan malaysia (ukm).  - .  1-43. 

ramliza ramli, umi kalsom ali, alfizah hanafiah.  (2021).  infections of reproductive system and congenital infections.  - .  1-11. 

alfizah hanafiah, wong kon ken.  (2021).  microbiological diagnosis of infectious diseases.  - .  1-37. 

'azlin muhammad@mohd yasin, dr dian nasriana nasuruddin, dr jayakumar murthy, pm dr alfizah hanfiah, dr siti norlia othman, dr chin kok yong.  (2021).  study guide year 2 semester 2, 2020/2021 , medical doctor ( md)program, faculty of medicine ukm.  - .  1-56. 

valerie ting siau mei, zalina ismail, alfizah hanafiah.  (2021).  prevalence of ampc beta-lactamase producer in escherichia coli and klebsiella species in a teaching hospital.  - asia pacific congress of clinical microbiology and infection (apccmi).  1. 

zalina ismail, valerie ting siau mei, alfizah hanafiah.  (2021).  prevalence of ampc beta-lactamase and extended spectrum beta-lactamase co-producer in escherichia coli and klebsiella species in a teaching hospital.  - 13th international symposium on antimicrobial agents and resistance (isaar 2021).  1-11. 

zalina ismail, valerie ting siau mei, alfizah hanafiah.  (2021).  prevalence of ampc beta-lactamase and extended spectrum beta-lactamase co-producer in escherichia coli and klebsiella species in a teaching hospital.  - international journal of antimicrobial agents.  6. 

alfizah hanafiah, nabilah hisham, tan geok chin, muaatamarulain mustangin, nik ritza kosai nik mahmood.  (2021).  expression of interleukin-32 in gastric cancer patients in ukm medical centre (ukmmc).  - .  1-5. 

hasyanee binmaeil, alfizah hanafiah, isa mohamed rose, raja affendi raja ali.  (2021).  development and validation of multiplex quantitative pcr assay for detection of helicobacter pylori and mutations conferring resistance to clarithromycin and levofloxacin in gastric biopsy.  - infection and drug resistance.  4129-4145. 

sophia ogechi ekeuku, benjamin ka seng thong, adam quraisiah, fazalda annuar alfizah hanafiah, nur azlina mohd fahami , kok-yong chin.  (2020).  the skeletal effects of short-term triple therapy in a rat model of gastric ulcer induced by helicobacter pylori infection.  - drug design, development and therapy.  5359-5366. 

alfizah hanafiah, shaza azlin razak, hui-min neoh, noraziah mohamad zin, bruno s. lopes.  (2020).  the heterogeneic distribution of helicobacter pylori cag pathogenicity island reflects different pathologies in multiracial malaysian population.  - the brazilian journal of infectious diseases.  545-551. 

quraisiah adam, fazalda annuar, alfizah hanafiah, nur azlina mohd fahami.  (2020).  in vitro study of anti-helicobacter pylori activity of honey: a systematic review.  - sains malaysiana.  411-420. 

alfizah hanafiah and bruno s. lopes.  (2020).  genetic diversity and virulence characteristics of helicobacter pylori isolates in different human ethnic groups.  - infection, genetics and evolution.  1-11. 

alfizah hanafiah, hasyanee binmaeil, raja affendi raja ali.  (2020).  quantification of h. pylori density and detection of mutations associated with clarithromycin and levofloxacin resistance in gastric biopsies using taqman quantitative pcr assay.  - the 28th annual meeting of the korean college of helicobacter and upper gastrointestinal research & the 3rd seoul international symposium on helicobacter and upper gastrointestinal diseases.  174. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah, muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2020).  advantages and limitations of 16s rrna next-generation sequencing for pathogen identification in the diagnostic microbiology laboratory: perspectives from a middle-income country.  - diagnostics.  1-19. 

assoc. prof. dr. alfizah hanafiah; dr wong kon ken.  (2020).  practical fffj1033: microbiological diagnosis of infectious diseases.  - .  1-37. 

asif sukri, alfizah hanafiah, noraziah mohamad zin, nik ritza kosai.  (2020).  epidemiology and role of helicobacter pylori virulence factors in gastric cancer carcinogenesis.  - apmis.  150-161. 

alfizah hanafiah, hasyanee binmaeil, raja affendi raja ali, isa mohamed rose, bruno s. lopes.  (2019).  molecular characterization and prevalence of antibiotic resistance in helicobacter pylori isolates in kuala lumpur, malaysia..  - infection and drug resistance.  3051-3061. 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher, isa mohamed rose & ramelah mohamed.  (2019).  optimization of cryopreserved single cell suspension of gastric epithelial cells for successful dotscantm antibody microarray.  - sains malaysiana.  1105-1110. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah, muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2019).  culture and biochemical testing versus 16s rrna gene sequencing for pathogen identification in the clinical microbiology laboratory: preliminary findings on cost comparison and breaking the bioinforma.  - infection & chemotherapy.  S94-S95. 

alfizah binti hanafiah;nik ritza kosai bin nik mahmood;raja affendi bin raja ali;mustafa mohammed taher;isa b mohamed rose.  (2019).  analysis of cluster of differentiation (cd) antigens in h. pylori-associated gastric cancer and non-gastric cancer.  - .  1-6. 

alfizah hanafiah.  (2019).  helicobacter pylori: bakteria jangkitan perut.  - .  260. 

quraisiah adam, fazalda annuar, alfizah hanafiah, nur azlina mohd fahmi.  (2018).  the effectiveness of honey on helicobacter pylori infection: a systematic review.  - translating medical science into sustainable health care.  114. 

alfizah hanafiah, muhammad hafiz, asif sukri, raja affendi raja ali, nik ritza kosai, mohamad aznan shuhaili, mustafa mohammed taher.  (2018).  immunophenotyping of gastric cancers and non-gastric cancers using cluster of differentiation (cd) antibody microarray.  - 8th regional conference on molecular medicine in conjunction with 4th national conference for cancer research.  . 

alfizah binti hanafiah;noraziah bt. mohamad zin;neoh hui min.  (2018).  characterization of the functional variability of cag pathogenicity island (cagpai) in helicobacter pylori strains.  - .  . 

noraziah m zin, alfizah hanafiah, mohd badrin hanizam abdul rahim, muhamad mazlan kamaruddin, nur faizah abu bakar.  (2018).  the prevalence of helicobacter pylori primary resistance towards antibiotics using an epsilometer-test method.  - malaysian journal of microbiology.  . 

alfizah binti hanafiah;isa bin mohamed rose;hamizah binti razlan;wong zhiqin.  (2018).  development of rapid molecular-based method for diagnosis of helicobacter pylori infection and antibiotic resistance.  - .  . 

noraziah mohamad zin, alfizah hanafiah & nur hidayah masod.  (2018).  infeksi mycobacterium tuberculosis : data demografi dan perbandingan ujian kerentanan anti-tuberkulosis.  - sains malaysiana.  . 

alfizah hanafiah, hasyanee binmael, raja affendi raja ali, zhiqin wong, isa mohamed rose.  (2017).  development of rapid molecular-based method for diagnosis of helicobacter pylori infection and antibiotic resistance.  - innovation and commercialisation conference 2017.  . 

alfizah hanafiah.  (2017).  kaedah cepat mengesan jangkitan penyakit gastrik dan ulser (luka) perut.  - majalah impak ukm.  2. 

hasyanee binmael, alfizah hanafiah, raja affendi raja ali.  (2017).  real time pcr assay for detection of helicobacter pylori infection of biopsy specimens isolated from universiti kebangsaan malaysia medical centre (ukmmc).  - proceeding of international conference on medical and clinical microbiology.  46. 

shirin biglari, alfizah hanafiah, shaliawani mohd puzi, ramliza ramli, md mostafizur rahman and bruno silvester lopes.  (2017).  antimicrobial resistance mechanisms and genetic diversity of multidrug-resistant acinetobacter baumannii isolated from a teaching hospital in malaysia.  - microbial drug resistance.  545-555. 

shaza azlin abdul razak, alfizah hanafiah, noraziah mohamad zin and hui-min neoh.  (2017).  characterization of the cag pathogenicity island (cagpai) in helicobacter pylori isolates.  - annual scientific meeting on emerging infectious threats.  . 

gokben ozbey, alfizah hanafiah.  (2017).  epidemiology, diagnosis, and risk factors of helicobacter pylori infection in children.  - euroasian journal of hepato-gastroenterology.  34-39. 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher and isa mohamed rose.  (2017).  distribution of gastric adenocarcinoma subtypes in different ethnicities in kuala lumpur, malaysia.  - malaysian journal of pathology.  235-242. 

m mohd sukri, a hanafiah, n nik mahmood, mmohamed taher, i mohamed rose, r mohamed.  (2016).  distribution of cd antigens in gastric adenocarcinoma cell line infected with different caga genotypes of helicobacter pylori strains.  - helicobacter.  115-116. 

hasyanee b, alfizah h, nadira a, raja affendi ra.  (2016).  antimicrobial susceptibility and genotypic resistance of the primary and secondary helicobacter pylori strains from universiti kebangsaan malaysia medical centre.  - malaysian society for microbiology postgraduate seminar 2016: stimulating excellence in microbiology through human resource development.  . 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher and isa mohamed rose.  (2016).  surface antigen profiling of helicobacter pylori-infected and -uninfected gastric cancer cells using antibody microarray.  - helicobacter.  417-427. 

najmiyatul fadilah, alfizah hanafiah, hamizah razlan, zin qin wong, isa mohamed rose and md mostafizur rahman.  (2016).  multiplex pcr for detection of helicobacter pylori infection in gastric biopsies with lower inflammatory score.  - british journal of biomedical science.  180-187. 

nor zanariah zainol abidin, anita sulong, hanafiah alfizah, najihan abdul samat muttaqillah and chuan hun ding.  (2015).  molecular detection of the new delhi metallo b lactamase 1 gene in enterobacteriaceae isolates in a tertiary medical centre.  - malaysian journal of pathology.  . 

shirin biglari, hanafiah alfizah, ramli ramliza, and md mostafizur rahman.  (2015).  molecular characterization of carbapenemase and cephalosporinase genes among clinical isolates of acinetobacter baumannii in a tertiary medical centre in malaysia.  - journal of medical microbiology.  53-58. 

alfizah, h., sarah, o.z.s., noraziah, m.z..  (2015).  interaction of imipenem and tigecycline against carbapenem-resistant acinetobacter baumanii: the relativity of synergism.  - sains malaysiana.  1061-1065. 

mm rahman, kk wong, h alfizah, s hussin, i isahak.  (2015).  influenza and respiratory syncytial viruses: efficacy of different diagnostic assays.  - pakistan journal of medical sciences.  791-794. 

siti nur suaidah nasarudin, nurul shazalina zainudin, mekadina bernadus, azmawati mohd nawi, alfizah hanafiah and emelia osman.  (2015).  loop-mediated isothermal amplification for rapid molecular detection of enterocytozoon bieneusi in faecal specimens.  - journal of medical microbiology.  1329-34. 

siti nur suaidah n, mekadina b, alfizah h, emelia, o.  (2015).  rapid diagnosis of microsporidia by loop-mediated isothermal amplification using fecal samples.  - 51st annual scientific conference of malaysian soceity of parasitology and tropical medicine.  . 

hasyanee b, alfizah h, nadira a, hamizah r, raja afffendi ra.  (2015).  primary and secondary resistance of helicobacter pylori isolates in universiti kebangsaan malaysia medical centre (ukmmc).  - minggu penyelidikan perubatan dan kesihatan ke-17.  . 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher, isa mohamed rose.  (2015).  distinct helicobacter pylori caga genotypes induced different immunopheotypic changes of cd antigens in gastric adenocarcinoma cell line.  - minggu penyelidikan perubatan & kesihatan ke-17.  . 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher, isa mohamed rose.  (2015).  cd antigen expression in helicobacter pylori-infected patients with chronic gastritis and gastric cancer.  - minggu penyelidikan perubatan & kesihatan ke-17.  . 

alfizah hanafiah, asif sukri, nik ritza kosai, mustafa mohamed taher, isa mohamed rose.  (2015).  distinct cd antigens expression in helicobacter pylori-infected and -uninfected gastric cancer patients.  - gut 2015: annual scientific congress of malaysian society of gastroenterology & hepatology.  . 

nor zanariah zainol abidin, anita sulong, hanafiah alfizah, chuan hun ding, najihan abdul samat muttaqillah, md mostafizur rahman.  (2015).  screening for new delhi metallo-beta-lactamase-1 in enterobacteriaceae: is there a role for the modified hodge test?.  - pakistan journal of medical sciences.  1340-1343. 

noraziah mohamad zin, norhidayah badya, aishah ismail, alfizah hanafiah and jalifah latip.  (2014).  anti-bacterial activity of endophytic streptomyces sp. towards acinetobacter baumannii.  - annual research & review in biology.  4(24):4075-4083. 

n siti nur su`aidah, b mekadina, h alfizah, o emelia.  (2014).  loop-mediated isothermal amplification (lamp) assay for rapid molecular detection of enterocytozoon bieneusi in fecal specimens.  - jitmm2014 & fbpz8.  . 

rahman mm, wong kk, isahak i, rashid zz, alfizah h.  (2014).  identification of genotypes of influenza a virus in malaysia.  - pakistan journal of medical sciences.  1068-1071. 

mm rahman, kk wong, i isahak, zz rashid & h alfizah.  (2014).  phylogenetic analysis of respiratory syncytial virus identified in universiti kebangsaan malaysia medical centre.  - sains malaysiana.  43(5):739-744. 

faisal rasheed, barry james campbell, hanafiah alfizah, andrea varro, rabaab zahra, yoshio yamaoka, and david mark pritchard.  (2014).  analysis of clinical isolates of helicobacter pylori in pakistan reveals high degrees of pathogenicity and high frequencies of antibiotic resistance.  - helicobacter.  387-399. 

siti zulaikha zakariah, marlyn mohammad, alfizah hanafiah.  (2014).  role of regulatory t cells and th17 cells in helicobacter pylori gastritis.  - 15th asia pacific congress of clinical microbiology and infection.  . 

hanafiah alfizah, ahmad norazah, razlan hamizah, and mohamed ramelah.  (2014).  resistotype of helicobacter pylori isolates: the impact on eradication outcome.  - journal of medical microbiology.  63(5):703-709. 

m.m. rahman, k.k. wong, a. hanafiah, i. isahak.  (2014).  influenza and respiratory syncytial viral infections in malaysia: demographic and clinical perspective.  - pakistan journal of medical sciences.  30(1):161-165. 

h alfizah and r hamizah.  (2013).  multidrug resistance helicobacter pylori isolates recovered from patients who failed eradication therapy.  - 9th international symposium on antimicrobial agents and resistance.  . 

za nor zanariah, s anita, h alfizah.  (2013).  new delhi metallo-beta-lactamase-1: molecular detection of enterobacteriaceae isolates producing blandm-1 gene in universiti kebangsaan malaysia medical centre (ukmmc).  - 9th international symposium on antimicrobial agents and resistance.  . 

hanafiah alfizah, awang hamat rukman, ahmad norazah, razlan hamizah, mohamed ramelah.  (2013).  ethnicity association of helicobacter pylori virulence genotype and metronidazole susceptibility.  - world journal of gastroenterology.  19(8):1283-1291. 

shirin biglari, alfizah hanafiah, ramliza ramli, md mostafizur rahman, tzar mohd nizam khaitir.  (2013).  clinico-epidemiological nature and antibiotic susceptibility profile of acinetobacter species.  - pakistan journal of medical sciences.  19(2): 469-473. 

b shirin, h alfizah, r ramliza, m.m rahman.  (2013).  the prevalence of multi-drug resistant acinetobacter spp. isolates in a tertiary care hospital in malaysia.  - 9th international symposium on antimicrobial agents and resistance.  . 

syuhada n, ramliza r, tzar m n, alfizah h.  (2013).  prevalence of clostridium difficile infection among patients with antibiotic associated diarrhoea in a tertiary hospital.  - 9th international symposium on antimicrobial agents and resistance.  . 

h. alfizah, m.z. noraziah, m.y. chao, m.m. rahman, m. ramelah.  (2013).  helicobacter pylori: molecular detection of vaca gene and vacuolating activity in human gastric adenocarcinoma cells.  - clinica terapeutica.  164(4):301-305. 

syuhada n, azimatun na, alfizah h, tzar mn, ramliza r.  (2013).  clostridium difficile infection: clinico epidemiological perspective.  - medicine and health.  64-72. 

m najmiyatul fadilah, my nor afnizan, mt muhammad adid, zq wong, mr isa, h alfizah.  (2013).  multiplex pcr for detection of helicobacter pylori infection in gastric biopsies with lower inflammatory score.  - annual scientific meeting of the malaysian society of gastroenterology and hepatology.  . 

shirin b, alfizah h, ramliza r, rahman mm.  (2013).  acinetobacter: detection of resistance genes and their antibiotic susceptibility.  - minggu penyelidikan perubatan & kesihatan ke 15.  . 

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. 

h alfizah, a norazah ahmad, m ramelah.  (2012).  mutations analysis of antibiotic resistance genes and vaca genotypes in helicobacter pylori isolates in universiti kebangsaan malaysia medical centre.  - journal of gastroenterology & hepatology.  27(Suppl.1): 8. 

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. 

wong kon ken, m. m. rahman, alfizah hanafiah, ilina isahak.  (2012).  in-house developed light cycler real time polymerase chain reaction for rapid detection of respiratory syncytial virus at university kebangsaan medical centre, malaysia.  - pakistan journal of medical sciences.  28(5): 818-822. 

noraziah m. zin, siti sarah omar zaki & alfizah hanafiah.  (2012).  in vitro activity of tigecycline and imipenem/tlgecycline combination against carbapenem-resistant acinetobacterbaumanii.  - minggu penyelidikan perubatan dan kesihatan ke-14.  . 

s norman, r ramli, a hanafiah, tzm khaithir.  (2012).  prevalence of clostridium difficile-associated diarrhea (cdad) among antibioticassociated diarrhea (aad) in universiti kebangsaan malaysia medical center (ukmmc).  - minggu penyelidikan perubatan dan kesihatan ke-14.  . 

najmiyatul fadilah mohamad, muhammad adib mohd taha, nor afnizan mohd yusof, alfizah hanafiah, isa mohamed rose.  (2012).  helicobacter pylori detection using in-house rapid urease test (irut) from gastric antral biopsies.  - minggu penyelidikan perubatan dan kesihatan ke-14.  . 

hanafiah alfizah and mohamed ramelah.  (2012).  variant of helicobacter pylori caga proteins induce different magnitude of morphological changes in gastric epithelial cells.  - malaysian journal of pathology.  34(1):29-34. 

alfizah hanafiah, norazah ahmad dan ramelah mohamed.  (2011).  mutations analysis of antibiotic resistance genes and vaca genotypes in helicobacter pylori isolates in universiti kebangsaan malaysia medical centre.  - 4th national conference on infectious diseases.  . 

saleh m. al-othrubi, alfizah hanafiah, son radu, humin neoh, rahaman jamal.  (2011).  rapid detection and e-test antimicrobial susceptibility testing of vibrio parahaemolyticus isolated from seafood and environmental sources in malaysia.  - saudi medical journal.  32(4):400-406. 

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. 

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. 

mohamed ramelah, ahmad aminuddin, hanafiah alfizah, mohd rose isa, ali yaacob jasmi, huck joo tan, a jamal a rahman, abdul manap rizal, m zawawi mazlam.  (2005).  caga gene variants in malaysian helicobacter pylori strains isolated from patients of different ethnic groups.  - fems immunology & medical microbiology.  44(2):239-42. 

h alfizah, a aminuddin, mr isa, i sagap, ay jasmi, am rizal & m ramelah.  (2004).  clinical relevance of the baba2-positive helicobacter pylori clinical isolates in malaysia.  - medical journal of malaysia.  59(Supp C):37. 

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. 

h alfizah, aj nordiah, ws rozaidi.  (2004).  using pulsed-field gel electrophoresis in the molecular investigation of an outbreak of serratia marcescens infection in an intensive care unit.  - singapore medical journal.  45(5):214. 

a. norazah, v.k.e. lim, m.y. rohani, h. alfizah, y.t. koh and a.g.m. kamel.  (2003).  a major methicillin-resistant staphylococcus aureus clone predominates in malaysian hospitals.  - epidemiology infection.  130:407-411. 

ny boo, aj nordiah, h alfizah, ah nor rohaini and vke lim.  (2001).  contamination of breast milk obtained by manual expression and breast pumps in mothers of very low birthweight infants.  - journal of hospital infection.  49(4):274-281.