muhammad afiq ab karim, muhamad danial zulkifli, tan juen kiem, hazlina mahadzir.  (2023).  audit on blood investigations of thyroid function test, vitamin b12 and folate in geriatric clinic.  - malaysian congress of geriatric medicine 2023.  29. 

wan rohaslizan wan daud, rafiz abdul rani, wong zhiqin, shamsul azhar shah, hazlina mahadzir, raja affendi raja ali.  (2022).  endoscopic findings among geriatric patients with anaemia and chronic kidney disease at a tertiary teaching hospital in malaysia.  - medical journal of malaysia.  284-290. 

nurul fatin malek rivan, suzana shahar, devinder kaur ajit singh, norhayati ibrahim, arimi fitri mat ludin, hanis mastura yahya, noor ibrahim mohamed sakian, hazlina mahadzir, ponnusamy subramaniam & mohd zul amin kamaruddin.  (2022).  mediation effect of coping strategies on general psychological health among middle-aged and older adults during the covid-19 pandemic.  - aging & mental health.  2039-2047. 

nur syazana mad tahir, aniza ismail, aznida firzah abdul aziz, syed mohamed aljunid, petrick periyasamy, hazlina mahadzir, fauzi md anshar, mohd faudzi abdullah, wong ping foo, ho bee kiau, mohd fairuz ali, rizah mazzuin razali.  (2022).  clinical pathway for influenza in the elderly: a comprehensive management protocol of malaysia.  - asia-pacific journal of health management.  1-14. 

yew ze hui ,nadaa wina shamsul baharin, norazlen bohari, yogeswary krishnamoorthy, muhamad irfan azman, khadijah alavi, rozita hod,hazlina mahadzir.  (2021).  the impact of mobile phone usage on loneliness among geriatric population in kuala lumpur.  - malaysian e-congress of geriatric medicine 2021.  1. 

nurul fatin malek rivan, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, normah che din, mohd zul amin kamaruddin, hazlina mahadzir.  (2021).  cognitive frailty among malaysian older adults.  - .  13. 

s. rajalingham, s. s. shaharir, h. mahadzir.  (2021).  comparative analyses of serological biomarkers and disease characteristics between elderly onset rheumatoid arthritis (eora) and younger onset rheumatoid arthritis (yora).  - annals of the rheumatic diseases.  1105. 

nurul fatin malek rivan, hanis mastura yahya, suzana shahar, devinder kaur ajit singh, norhayati ibrahim, arimi fitri mat ludin, noor ibrahim mohamed sakian, hazlina mahadzir, ponnusamy subramaniam, mohd zul amin kamaruddin.  (2021).  the impact of poor nutrient intakes and food insecurity on the psychological distress among community-dwelling middle-aged and older adults during the covid-19 pandemic.  - nutrients.  1-12. 

rajalingham s*, syahrul sazliyana s, abdul wahab a, mahadzir h.  (2021).  comparative analyses of serological biomarkers and disease characteristics between elderly-onset and younger-onset rheumatoid arthritis.  - medicine & health.  237-245. 

nurul fatin malek rivan, suzana shahar, goh jing wen, nor fadilah rajab, normah che din, hazlina mahadzir and mohd zul amin kamaruddin.  (2021).  cognitive frailty is a robust predictor of falls, injuries, and disability among community dwelling older adults.  - bmc geriatrics.  1-13. 

sakthiswary rajalingham, syahrul sazliyana shaharir, hazlina mahadzir.  (2021).  elderly-onset versus younger-onset rheumatoid arthritis; serological biomarkers and disease characteristics.  - international journal of rheumatic diseases.  224. 

j. f. leong, k. x. l. law, n. s. z. abidin, l. k. belani, h. mahadzir, d. k. a. singh, n. a. wahab, m. k. yin, z. a. samad, s. a. mokhtar.  (2021).  fracture liaison service (fls) in managing osteoporotic fracture in tertiary hospital centre, malaysia.  - world congress on osteoporosis, osteoarthritis and musculoskeletal diseases.  310. 

zeena mohamed fuad, hazlina mahadzir, syed zulkifli syed zakaria, norlinah mohamed ibrahim.  (2020).  frequency of cognitive impairment among malaysian elderly patients following first ischaemic stroke: a case control study.  - frontiers in public health.  1-7. 

nurul fatin malek rivan, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, normah che din, hazlina mahadzir , noor ibrahim mohamed sakian, wan syafira ishak, mohd harimi abd. rahman, zainora mohammed and yee xing you.  (2020).  incidence and predictors of cognitive frailty among older adults: a community-based longitudinal study.  - international journal of environmental research and public health.  1-17. 

nurul fatin malek rivan [et all.].  (2020).  general psychological health status and coping strategies during lock-down due to covid-19 outbreak among malaysian older adults.  - european geriatric medicine.  95. 

syahrul sazliyana shaharir, mohd shahrir mohamed said, sakthiswary rajalingham, hazlina mahadzir, ruslinda mustafar, asrul abdul wahab.  (2020).  distinct clinical features of late-onset systemic lupus erythematosus among malaysian multi-ethnic cohort.  - annals of the rheumatic diseases.  368-369. 

nurul fatin malek rivan, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, normah che din, mahadzir hazlina & tengku aizan tengku abdul hamid.  (2019).  cognitive frailty among malaysian older adults:baseline findings from the lrgs tua cohort study.  - clinical interventions in aging.  1343-1352. 

nurul fatin malek rivan, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, normah che din, hazlina mahadzir, tengku aizan tengku abdul hamid.  (2019).  cognitive frailty among multi-ethnic malaysian older adults.  - the 11th international association of gerontology and geriatrics asia/ oceania rgional congress.  84. 

nurul fatin malek rivan, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, normah che din, hazlina mahadzir.  (2019).  cognitive frailty, physical frailty and loneliness predicts the incidence of falls among community-dwelling older adults.  - age and ageing.  iv27. 

chia peck kee,petrick periyasamy,zhe kang law,norlinah mohamed ibrahim,wan nur nafisah wan yahya,hazlina mahadzir,shahrul azmin md rani,ramesh sahathevan,rabani remli,raymond azman ali,hui jan tan,syazarina sharis osman,shahizon azura mm,shamsul as.  (2017).  features and prognostic factors of tuberculous meningitis in a tertiary hospital in malaysia.  - journal of infectious diseases and epidemiology.  1-9. 

r remli, zk law, h mahadzir, wnn wan yahya, r sahathevan, sa md rani, n mohamed, s mukari, hj tan.  (2016).  fingolimod experience in malaysia tertiary center.  - multiple sclerosis journal.  436. 

alif adlan mohd thabit, nor azman rosli, hana maizuliana solehan, zahariah pilus, maskanah mohammad lotfie, ramesh sahathevan, norlinah mohamed ibrahim, hui jan tan, wan nur nafisah wan yahya, hazlina.  (2016).  validation study of the malay version of the myasthenia gravis quality of life (mgqol)15 and myasthenia gravis activities of daily living (mgadl) questionnaires.  - neurology asia.  33-39. 

r remli, zk law, h mahadzir, wnn wan yahya, r sahathevan, sa md rani, n mohamed, s mukari , hj tan.  (2016).  transient rash following figolimod initiation in relapsing remitting multiple sclerosis;to stop or continue.  - multiple sclerosis journal.  436. 

r remli, aa thabit, hm solehan, h mahadzir, wnn wan yahya, zk law , r sahathevan, sa md rani,hj tan, n mohamed, n mohamed ibrahim, s azhar,.  (2015).  validation study of the malay version of myasthenis gravis quality of life(mgqol) and myasthenia gravis activity of daily living.  - 26th annual scientific meeting of malaysian neuroscience society.  . 

r remli, s mohamad,wnn wan yahya, zk law, r sahathevan, sa md rani, n mohamed,s syariz,hj tan.  (2015).  isolated splenium of corpus callosum stroke: uncommon diagnosis with common symptoms.  - 26th annual scientific meeting of malaysian neuroscience society.  . 

r remli. zk law, h mahadzir, w n n wan yahya, r sahathevan , sa md rani, n mohamed , hj tan..  (2015).  neuroleptospirosis complicated with cortical blindness.  - 26th annual scientific meeting of malaysian society of neurosciences.  . 

law z-k, sahathevan r, norlinah m-i, tan h-j, wan yahya wan nur n, rabani r, shahrul azmin r, mahadzir h, nawi azmawati m, wan zaidi a, ng boon h, rahidah f.  (2014).  comparison of risk factors between young stroke and older age group: findings from a hospital-based registry.  - neuroepidemiology.  100. 

mahadzir h, sahathevan r, norlinah m-i, tan h-j, nafisah, law z-k, rabani r, asyraf w, azma a, azmin k-r.  (2014).  an analysis of the clinical risk factors for lacunar and non-lacunar strokes in the oldest old malaysian population: data from hospital-based registry.  - neuroepidemiology.  100-101. 

mohd thabit aa, azman rosli n, sahathevan r, mohamed ibrahim n, tan hj, wan nur nafisah wan y, madhazir h, shahrul azmin mr, law zk, remli r.  (2014).  demographics and clinical characteristics of myasthenia gravis in multiethnic population: a malaysian tertiary centre experience.  - neuroepidemiology.  101-102. 

borhanuddin b, sahathevan r, norlinah m-i, tan h-j, wan yahya wan nur n, rabani r, shahrul a, mahadzir h, nawi azmawati m, law z-k.  (2014).  the association between estimated glomerular filtration rate (egfr) and ischemic stroke subtypes: comparison between lacunar & non-lacunar infarct.  - neuroepidemiology.  99-100. 

mahadzir h, sahathevan r, asyraf w.  (2014).  clinical risk factors of lacunar stroke in the oldest old malaysian population: data from a hospital-based registry.  - neuroepidemiology.  101. 

h mahadzir, j naidu, zq wong, h razlan, s palaniappan, ra raja ali.  (2013).  an evaluation of colonoscopy in elderly population at the ukm medical centre.  - the 9th malaysian national geriatric conference.  .