fadly syah arsad, rozita hod, norfazilah ahmad, mazni baharom, mohd hasni jaafar.  (2023).  assessment of indoor thermal comfort temperature and related behavioural adaptations: a systematic review..  - environmental science and pollution research.  73137-73149. 

miaw yn jane ling, norfazilah ahmad, azimatun noor aizuddin.  (2023).  risk perception of non-communicable diseases: a systematic review on its assessment and associated factors.  - plos one.  1-29. 

norizzati amsah, zaleha md isa, norfazilah ahmad.  (2023).  development of a semi-quantitative food frequency questionnaire to estimate macronutrient intake among type 2 diabetes mellitus patients in malaysia.  - nutrients.  1-11. 

fadly syah arsad, rozita hod, norfazilah ahmad, mazni baharom, mohd hasni jaafar.  (2023).  assessment of indoor thermal comfort temperature and related behavioural adaptations: a systematic review.  - environmental science and pollution research.  73137-73149. 

nor azian abdul murad, yusuf mohammad noor, zam zureena mohd. rani, siti aishah sulaiman, yock ping chow, noraidatulakma abdullah, norfazilah ahmad, norliza ismail, nazihah abdul jalal , mohd. arman kamaruddin, amalia afzan, rahman jamal.  (2023).  hypercholesterolemia in the malaysian cohort participants: genetic and non-genetic risk factors.  - genes.  1-15. 

miaw yn jane ling, ahmad farid nazmi abdul halim, dzulfitree ahmad, norfazilah ahmad, nazarudin safian and azmawati mohammed nawi.  (2023).  prevalence and associated factors of e-cigarette use among adolescents in southeast asia: a systematic review.  - international journal of environmental research and public health.  1-16. 

salina husain, josephine ann ramos, juani hayyan abdul karaf, farah dayana zahedi, norfazilah ahmad, baharudin abdullah.  (2023).  efcacy of topical tranexamic acid to reduce bleeding in endoscopic sinus surgery for chronic rhinosinusitis with polyposis.  - european archives oto-rhino-laryngology.  737-741. 

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. 

theepa nesam, hafiz aizat bin shuhaimi, abdul halim abdul gafor, mohd shawal faizal mohamad, norfazilah ahmad, ahmad azhar abdul rahim,mohd yusuf abu shamsi.  (2023).  long term kidney outcome post coronary angiogram: a single centre experience.  - kidney international reports.  S22-S23. 

navena sharma shaibdat, norfazilah ahmad, shahrul azmin, norlinah mohamed ibrahim.  (2023).  causes, factors, and complications associated with hospital admissions among patients with parkinson's disease.  - frontiers in neurology.  1-12. 

fadly syah arsad, rozita hod, norfazilah ahmad, rohaida ismail, norlen mohamed, mazni baharom, yelmizaitun osman, mohd firdaus mohd radi and fredolin tangang.  (2022).  the impact of heatwaves on mortality and morbidity and the associated vulnerability factors: a systematic review.  - international journal of environmental research and public health.  1-22. 

khairul anwar zarkasi, noraidatulakma abdullah, nor azian abdul murad, norfazilah ahmad, rahman jamal.  (2022).  genetic factors for coronary heart disease and their mechanisms: a meta-analysis and comprehensive review of common variants from genome-wide association studies.  - diagnostics.  1-35. 

norizzati amsah, zaleha md isa, norfazilah ahmad.  (2022).  biopsychosocial and nutritional factors of depression among type 2 diabetes mellitus patients: a systematic review.  - international journal of environmental research and public health.  1-21. 

kah hui yap, shahrul azmin, jemaima che hamzah, norfazilah ahmad, bart van de warrenburg, norlinah mohamed ibrahim.  (2022).  pharmacological and non-pharmacological management of spinocerebellar ataxia: a systematic review.  - journal of neurology.  2315-2337. 

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. 

lean cheong loo, kah wei ong, aida khalisha ahmad nidzwal, muhammad helmi razali, nizal ahmad, azlinah naim, faiz daud, abdul halim abdul gafor, norfazilah ahmad.  (2022).  knowledge of chronic kidney disease among undergraduate and postgraduate students in a public university in klang valley, malaysia: a cross sectional study.  - plos one.  1-16. 

khairul anwar zarkasi, nor azian abdul murad, norfazilah ahmad, rahman jamal, noraidatulakma abdullah.  (2022).  coronary heart disease in type 2 diabetes mellitus: genetic factors and their mechanisms, gene-gene, and gene-environment interactions in the asian populations.  - international journal of environmental research and public health.  1-48. 

miaw yn jane ling, norfazilah ahmad, muhammad fadhli mohd yusoff, kuang hock lim.  (2022).  current e-cigarette use among in-school adolescents in west malaysia: examining the interactions between sociodemographic characteristics and lifestyle risk behaviours.  - plos one.  1-19. 

fadly syah arsad, rozita hod, norfazilah ahmad, mazni baharom, fredolin tangang.  (2022).  the malay-version knowledge, risk perception, attitude and practice questionnaire on heatwaves: development and construct validation.  - international journal of environmental research and public health.  1-12. 

mazni baharom, norfazilah ahmad, rozita hod, fadly syah arsad, fredolin tangang.  (2021).  the impact of meteorological factors on communicable disease incidence and its projection: a systematic review.  - international journal of environmental research and public health.  1-22. 

norfazilah ahmad, mazni baharom, azimatun noor aizuddin, rohaya ramli.  (2021).  sex-related differences in smear-positive pulmonary tuberculosis patients in kuala lumpur, malaysia: prevalence and associated factors.  - plos one.  1-16. 

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. 

n. ahmad, s. a. shah, a. h. abdul gafor, n. a. abdul murad, m. a. kamaruddin, n. abd jalal, n. ismail , m. r. alias and r. jamal.  (2020).  gene-environment interaction in chronic kidney disease among people with type 2 diabetes from the malaysian cohort project: a case-control study.  - diabetic medicine.  1890-1901. 

aniza ismail, yan nee gan, norfazilah ahmad.  (2020).  factors associated with patient satisfaction towards pharmacy services among out-patients attending public health clinics: questionnaire development and its application.  - plos one.  1-12. 

noor atika binti azit, aniza binti ismail*, norfazilah ahmad, rohani binti hj. ismail, shuhaily binti ishak.  (2019).  factors associated with tuberculosis disease among children who are household contacts of tuberculosis cases in an urban setting in malaysia.  - bmc public health.  1-10.