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. 

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. 

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, 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. 

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, 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. 

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. 

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. 

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. 

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. 

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. 

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. 

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.