yasmin anum mohd yusof, shailah abdullah, nur fatin nabilah mohd sahardi, wan zurinah wan ngah & suzana makpol.  (2022).  zingiber officinale and piper betle extracts enhanced the chemopreventive effect against colon cancer cells by targeting caspase-mediated apoptosis.  - sains malaysiana.  217-237. 

jen kit tan, sakinah husna abdul razak, hanafi ahmad damanhuri, suzana makpol, wan zurinah wan ngah.  (2022).  metabolomic profiling of middle-aged rat hippocampus.  - asia pacific journal of molecular biology and biotechnology.  85. 

pau-ring wong, nur fatin nabilah mohd sahardi, jen-kit tan, kien-hui chua, wan zurinah wan ngah & suzana makpol.  (2022).  characterization of keratinocytes, fibroblasts and melanocytes isolated from human skin using gene markers.  - sains malaysiana.  1425-1436. 

nurul azmir amir hashim, sharaniza ab-rahim, wan zurinah wan ngah, sheila nathan, nurul syakima ab mutalib, ismail sagap, a. rahman a. jamal, musalmah mazlan.  (2021).  global metabolomics profiling of colorectal cancer in malaysian patients.  - bioimpacts.  33-43. 

jiann ll, nurul ain mk, jo aan g, hanafi ad, jaclyn ai ct, nor azian am, shamsul azhar s, siti aishah s, shazrul f, shalisah sp, suriati ms, geetha g, thambu m, a. rahman aj, wan zurinah wn, fatimatul syahirah mbs and lai fong c.  (2021).  the role of oxidative stress in suicidal behaviour among bipolar patients: a cross-sectional-study in a malaysian sample.  - frontiers in psychiatry.  1-10. 

nur fathiah abdul sani, ahmad imran zaydi amir hamzah, zulzikry hafiz abu bakar, yasmin anum mohd yusof, suzana makpol, wan zurinah wan ngah and hanafi ahmad damanhuri.  (2021).  gene expression profile in different age groups and its association with cognitive function in healthy malay adults in malaysia.  - cells.  1-25. 

hazwani mohd yusof, sharaniza ab-rahim, wan zurinah wan ngah, sheila nathan, a rahman a jamal, musalmah mazlan.  (2021).  metabolomic characterization of colorectal cancer cell lines highlighting stage-specific alterations during cancer progression.  - bioimpacts.  147-156. 

aslina pahrudin arrozi, wan zurinah wan ngah, hanafi ahmad damanhuri and suzana makpol.  (2021).  modulatory effects of alpha- and gamma- tocopherol on the mitochondrial respiratory capacity and membrane potential in an in vitro model of alzheimer's disease.  - frontiers in pharmacology.  1-11. 

aslina pahrudin arrozi, siti nur syazwani shukri, wan zurinah wan ngah, yasmin anum mohd yusof, mohd hanafi ahmad damanhuri, faizul jaafar & suzana makpol.  (2020).  comparative effects of alpha- and gamma- tocopherol on mitochondrial functions in alzheimer's disease in vitro model.  - scientific reports.  1-14. 

nurul saadah ahmad, toh leong tan, khaizurin tajul arifin, wan zurinah wan ngah, yasmin anum mohd yusof.  (2020).  high spla2-iia level is associated with eicosanoid metabolism in patients with bacterial sepsis syndrome.  - plos one.  1-13. 

khairunnisa' md yusof, suzana makpol, lye siew fen, rahman jamal, wan zurinah wan ngah.  (2019).  suppression of colorectal cancer cell growth by combined treatment of 6-gingerol and y-tocotrienol via alteration of multiple signalling pathways.  - journal of natural medicines.  745-760. 

jing jye lim, wan ngah wan zurinah, vincent mouly, and abdul karim norwahidah.  (2019).  tocotrienol-rich fraction (trf) treatment promotes proliferation capacity of stress-induced premature senescence myoblasts and modulates the renewal of satellite cells: microarray analysis.  - oxidative medicine and cellular longevity.  1-19. 

zulzikry hafiz abu bakar, hanafi ahmad damanhuri, suzana makpol, wan mohd aizat wan kamaruddin, nur fathiah abdul sani, ahmad imran zaydi amir hamzah, khairun nain nor aripin, mohd dzulkhairi mohd rani, nor azila noh, rosdinom razali, musalmah mazlan, ....  (2019).  effect of age on the protein profile of healthy malay adults and its association with cognitive function competency.  - journal of alzheimer's disease.  s43-s62. 

wan nurzulaikha wan nasri, suzana makpol, musalmah mazlan, ikuo tooyama, wan zurinah wan ngah and hanafi ahmad damanhuri.  (2019).  tocotrienol rich fraction supplementation modulate brain hippocampal gene expression in appswe/ps1de9 alzheimer's disease mouse model.  - journal of alzheimer's disease.  s239-s254. 

hazwani mohd yusof, sharaniza ab-rahim, wan zurinah wan ngah, sheila nathan, rahman a jamal a, musalmah mazlan.  (2019).  metabolites profile of colorectal cancer cells at different stages.  - international journal of applied pharmaceutics.  66-70. 

siti madiani abdul ghani, jo aan goon, nor helwa ezzah nor azman, siti nor asyikin zakaria, zalina hamid, wan zurinah wan ngah.  (2019).  comparing the effects of vitamin e tocotrienol-rich-fraction supplementation and a-tocopherol supplementation on gene expression in healthy older adults.  - clinics.  1-13. 

amilia aminuddin, norizam salamt, ahmad faiz ahmad fuad, kok-yong chin, azizah ugusman, ima nirwana soelaiman and wan zurinah wan ngah.  (2019).  vascular dysfunction among malaysian men with increased bmi: an indication of synergistic effect of free testosterone and inflammation.  - medicina.  1-11. 

hamizah shahirah hamezah, lina wati durani, daijiro yanagisawa, nor faeizah ibrahim,wan mohd aizat, suzana makpol, wan zurinah wan ngah, hanafi ahmad damanhuri and ikuo tooyama.  (2019).  modulation of proteome profile in abpp/ps1 mice hippocampus, medial prefrontal cortex, and striatum by palm oil derived tocotrienol-rich fraction.  - journal of alzheimer's disease.  229-246. 

amirah abdul rahman, norfilza mohd mokhtar, roslan harun, rahman jamal, wan zurinah wan ngah.  (2019).  transcriptome analysis reveals the molecular mechanisms of combined gamma-tocotrienol and hydroxychavicol in preventing the proliferation of 1321n1, sw1783, and ln18 glioma cancer cells.  - journal of physiology and biochemistry.  499-571. 

hamizah shahirah hamezah,lina wati durani, daijiro yanagisawa, nor faeizah ibrahim, wan mohd aizat, jean pierre bellier, suzana makpol, wan zurinah wan ngah, hanafi ahmad damanhuri, ikuo tooyama.  (2018).  proteome profiling in the hippocampus, medial prefrontal cortex, and striatum of aging rat.  - experimental gerontology.  . 

nur fathiah abdul sani, mohd hanafi ahmad damanhuri, ahmad imran zaydi amir hamzah, zulzikry hafiz abu bakar, jen-kit tan, khairun nain nor aripin, mohd dzulkhairi mohd rani, nor azila noh, nor aripin shamaan, rosdinom razali, yasmin anum mohd yusof, musa.  (2018).  dna damage and protein oxidation associated with ageing correlate with cognitive dysfunction in a malaysian population.  - free radical research.  1000-1009. 

muhammad faizan a. shukor, noor akmal shareela ismail & wan zurinah wan ngah.  (2018).  challenges in predicting risks of premature coronary artery disease (pcad).  - sains malaysiana.  2543-2556. 

afiah nasuha aznan, norwahidah abdul karim, wan zurinah wan ngah and zakiah jubri.  (2018).  critical factors for lentivirus-mediated prdx4 gene transfer in the hepg2 cell line.  - oncology letters.  73-82. 

nurul aliah achin, tan jen kit, wan zurinah wan ngah, suzana makpol, musalmah mazlan, hamizah s. hamezah and hanafi ahmad damanhuri.  (2018).  behavioral assessment and blood oxidative status of aging sprague dawley rats through a longitudinal analysis.  - current aging science.  . 

nor helwa ezzah nor azman, jo aan goon, siti madiani abdul ghani, zalina hamid and wan zurinah wan ngah.  (2018).  comparing palm oil, tocotrienol-rich fraction and a-tocopherol supplementation on the antioxidant levels of older adults.  - antioxidants.  . 

lina wati durani, hamizah shahirah hamezah, nor faeizah ibrahim, daijiro yanagisawa, muhammad luqman nasaruddin, masaki mori, kamalrul azlan azizan, hanafi ahmad damanhuri, suzana makpol, wan zurinah wan ngah and ikuo tooyama.  (2018).  tocotrienol-rich fraction of palm oil improves behavioral impairments and regulates metabolic pathways in abpp/ps1 mice.  - journal of alzheimer's disease.  . 

qurratu aini musthafa, noor akmal shareela ismail, muhd faizan abdul shukor, azmee mohd ghani, rosli mohd ali, ika faizura m. nor, mohd zamrin dimon, wan ngah & zurinah wan.  (2017).  oxidative status and reduced glutathione levels in premature coronary artery disease and coronary artery disease.  - journal of neuroscience research.  1-32. 

hamizah shahirah hamezah, lina wati durani, nor faeizah ibrahim, daijiro yanagisawa, tomoko kato, akihiko shiino, sachiko tanaka, hanafi ahmad damanhuri, wan zurinah wan ngah, ikuo tooyama.  (2017).  volumentric changes in the aging rat brain and its impact on cognitive and locomotor functions.  - experimental gerontolgy.  69-79. 

nor faeizah ibrahim, daijiro yanagisawa, lina wati durani, hamizah shahirah hamezah, hanafi ahmad damanhuri, wan zurinah wan ngah, mayumi tsujic, yuji kiuchic, kenjiro onod and ikuo tooyamaa,.  (2017).  tocotrienol-rich fraction modulates amyloid pathology and improves cognitive function in abpp/ps1 mice.  - journal of alzheimer`s disease.  597-612. 

musalmah mazlan, hamizah shahirah hamezah, nursiati mohd taridi, yu jing, ping liu, hu zhang, wan zurinah wan ngah and hanafi ahmad damanhuri.  (2017).  effects of aging and tocotrienol-rich fraction supplementation on brain arginine metabolism in rats.  - oxidative medicine and cellular longevity.  1-13. 

aslina pahrudin arrozi, wan zurinah wan ngah, yasmin anum mohd yusof, hanafi damanhuri, suzana makpol.  (2017).  antioxidant modulation in restoring mitochondrial function in neurodegeneration.  - international journal of neuroscience.  218-235. 

jo aan goon, nor helwa ezzah nor azman, siti madiani abdul ghani, zalina hamid, wan zurinah wan ngah.  (2017).  comparing palm oil tocotrienol rich fraction with a-tocopherol supplementation on oxidative stress in healthy older adults.  - clinical nutrition espen.  1-12. 

shy cian khor, wan zurinah wan ngah, yasmin anum mohd yusof, norwahidah abdul karim, and suzana makpol.  (2017).  tocotrienol-rich fraction ameliorates antioxidant defense mechanisms and improves replicative senescence-associated oxidative stress in human myoblasts.  - oxidative medicine and cellular longevity.  1-17. 

khaizurin tajul arifin, suhaniza sulaiman, suhana md saad, hanafi ahmad damanhuri, wan zurinah wan ngah and yasmin anum mohd yusof.  (2017).  elevation of tumour markers tgf-b, m2-pk, ov-6 and afp in hepatocellular carcinoma (hcc)-induced rats and their suppression by microalgae chlorella vulgaris.  - bmc cancer.  1-9. 

aslina pahrudin arrozi, siti nur syazwani shukri, wan zurinah wan ngah, yasmin anum mohd yusof, mohd hanafi ahmad damanhuri, suzana makpol.  (2017).  evaluation of the expression of amyloid precursor protein and the ratio of secreted amyloid beta 42 to amyloid beta 40 in sh-sy5y cells stably transfected with wild-type, single-mutant and double-muta.  - applied biochemistry and biotechnology.  853-866. 

kok-yong chin, wan zurinah wan ngah, soelaiman ima-nirwana.  (2016).  lessons from the bone chapter of the malaysian aging men study.  - international journal of environmental research and public health.  2-15. 

norzana abd ghafar, choy ker-woon, chua kien hui, yasmin anum mohd yusof and wan zurinah wan ngah.  (2016).  acacia honey accelerates in vitro corneal ulcer wound healing model.  - bmc complementary and alternative medicine.  1-11. 

a.i.z. amir hamzah, z.h. abu bakar, n.f. abul sani, j-k. tan, m.h. ahmad damanhuri, k.n. nor aripin, m.d. mohd rani. n.a. noh, r. razali, m. mohamad, s. makpol, m. mazlan, h. abdul hamid & w.z. wan ng.  (2016).  relationship between education and cognitive performance among healthy malay adults.  - sains malaysiana.  1371-1379. 

nurul ainin abdul aziz, norfilza m mokhtar, roslan harun, md manir hossain mollah, isa mohamed rose, ismail sagap, azmi mohd tamil, wan zurinah wan ngah and rahman jamal.  (2016).  a 19-gene expression signature as a predictor of survival in colorectal cancer.  - bmc medical genomics.  1-13. 

mohd firdaus che mat, nor azian abdul murad, kamariah ibrahim, norfilza mohd mokhtar, wan zurinah wan ngah, roslan harun, rahman jamal.  (2016).  silencing of pros1 induces apoptosis and inhibits migration and invation of glioblastoma multiforme cells.  - international journal of oncology.  2359-2366. 

h.a. damanhuri, n.i. abdul rahim, w.n. w nasri, j.k. tan, s. makpol, m.mazlan, i. tooyama & w.z. wan ngah.  (2016).  tocotrienol rich fraction supplementation modulates antioxidant enzymes activity and reduces dna damage in appswe/ps1de9 alzheimer`s disease mouse model.  - sains malaysiana.  1363-1370. 

nor syahida aliahmat, nur fathiah abdul sani, wan nuraini wan hasan, suzana makpol, wan zurinah wan ngah, yasmin anum mohd yusof.  (2016).  piper betle induced cytoprotective genes and proteins via the nrf2/are pathway in aging mice.  - journal of nutrigenetics and nutrigenomics.  243-253. 

shy cian khor, azraul mumtazah razak, wan zurinah wan ngah, yasmin anum mohd yusof, norwahidah abdul karim, suzana makpol.  (2016).  the tocotrienol-rich fraction is superior to tocopherol in promoting myogenic differentiation in the prevention of replicative senescence of myoblasts.  - plos one.  1-21. 

toh leong tan, nurul saadah ahmad, dian nasriana nasuruddin, azlin ithnin , khaizurin tajul arifin, ida zarina zaini, wan zurinah wan ngah.  (2016).  cd64 and group ii secretory phospholipase a2 (spla2-iia) as biomarkers for distinguishing adult sepsis and bacterial infections in the emergency department.  - plos one.  e0152065. 

jen-kit tan, sue-mian then, musalmah mazlan, raja noor zaliha raja abdul rahman, rahman jamal, wan zurinah wan ngah.  (2016).  gamma-tocotrienol acts as a bh3 mimetic to induce apoptosis in neuroblastoma sh-sy5y cells.  - journal of nutritional biochemistry.  28-37. 

kok-yong chin, soelaiman ima-nirwana, isa naina mohamed, fairus ahmad, elvy suhana mohd ramli, amilia aminuddin, wan zurinah wan ngah.  (2015).  the association between bone health indicated by calcaneal quantitative ultrasound and metabolic syndrome in malaysian men.  - journal of diabetes & metabolic disorders.  1-6. 

farahani abdul rahman sazli, zakiah jubri, mariati abdul rahman, saiful anuar karsani, abdul gapor md top and wan zurinah wan ngah.  (2015).  gamma-tocotrienol treatment increased peroxiredoxin-4 expression in hepg2 liver cancer cell line.  - bmc complementary & alternative medicine.  1-7. 

choy ker-woon, norzana abd ghafar, chua kien hui, yasmin anum mohd yusof, wan zurinah wan ngah.  (2015).  the effects of acacia honey on in vitro corneal abrasion wound healing model..  - bmc cell biology.  1-11. 

khairunissa` md yusof, suzana makpol, rahman jamal, roslan harun, norfilza mokhtar and wan zurinah wan ngah.  (2015).  y-tocotrienol and 6-gingerol in combination synergistically induce cytotoxicity and apoptosis in ht-29 and sw837 human colorectal cancer cells.  - molecules.  10280-10297. 

shah s.a., jing l., khalid m.s., najid f., haniff i.s., ghazi a.m., nor i.f.m., ali r.m., wan ngah w.z..  (2015).  prevalence and risk factors of premature coronary artery disease: a comparative cross-sectional study between two time frames in malaysia.  - malaysian journal of public health medicine.  157-166. 

analhuda abdullah tahir, nur fathiah abdul sani, noor azian murad, suzana makpol, wan zurinah wan ngah and yasmin anum mohd yusof.  (2015).  combined ginger extract & gelam honey modulate ras/erk and pi3k/akt pathway genes in colon cancer ht29 cells.  - nutrition journal.  1-10. 

lee heng wee, noor azian morad, goon jo aan, suzana makpol, wan zurinah wan ngah, yasmin anum mohd yusof.  (2015).  mechanism of chemoprevention against colon cancer cells using combined gelam honey and ginger extract via mtor and wnt/b-catenin pathways.  - asian pacific journal of cancer prevention.  6549-6556. 

l.w. durani, f. jaafar, j. k. tan, k. tajul arifin, y.a. mohd yusof, w.z wan ngah, s. makpol.  (2015).  targeting genes in insulin-associated signalling pathway, dna damage, cell proliferation and cell differentiation pathways by tocotrienol-rich fraction in preventing cellular senescence of ...........  - clinica terapeutica.  e365-373. 

s.c. khor, y. a. mohd yusof, w.z. wan ngah, s. makpol.  (2015).  tocotrienol-rich fraction prevents cellular aging by modulating cell proliferation signaling pathways.  - clinica terapeutica.  e81-90. 

kok-yong chin, soelaiman ima nirwana, wan zurinah wan ngah.  (2015).  significant association between parathyroid hormone and uric acid level in men.  - clinical interventions in aging.  1377 - 1380. 

kok-yong chin, soelaiman ima-nirwana & wan zurinah wan ngah.  (2015).  vitamin d is significantly associated with total testosterone and sex hormone-binding globulin in malaysian men.  - the aging male.  175-179. 

luqman hakim, ekram alias, suzana makpol, wan zurinah wan ngah, nor azian morad, yasmin anum mohd yusof.  (2014).  gelam honey and ginger potentiate the anti cancer effect of 5-fu against hct 116 colorectal cancer cells.  - asian pacific journal of cancer prevention.  15(11):4651-4657. 

shy cian khor, norwahidah abdul karim, wan zurinah wan ngah, yasmin anum mohd yusof and suzana makpol.  (2014).  vitamin e in sarcopenia: current evidences on its role in prevention and treatment.  - oxidative medicine and cellular longevity.  Article ID : 914853. 

zakiah jubri, azian abdul latif, abdul gapor md top and wan zurinah wan ngah.  (2014).  oxidative status of cigarette smokers with tocotrienol rich fraction supplementation.  - middle-east journal of scientific research.  897-904. 

harizz miszard radman, kamisah yusof, qodriyah haji mohd saad, wan zurinah wan ngah, azman abdullah.  (2014).  the effect of ulam raja (cosmos caudatus) on drug-metabolizing enzymes, lipid peroxidation and antioxidant status in mice liver.  - international journal of pharmtech research.  6(4):1213-1225. 

kok-yong chin, soelaiman ima-nirwana, suraya ibrahim, isa naina mohamed, wan zurinah wan ngah.  (2014).  vitamin d status in malaysian men and its associated factors.  - nutrients.  5419-5433. 

teh, c; chong, p; nurul adibah, n; poh, b; rahman, j; wan zurinah, w.  (2014).  association between single-nucleotide polymorphisms (snps) of adiponectin (adipoq) gene with obesity risk in malay children.  - obesity reviews.  3. 

chong, p; poh, b; christinal, t; adibah, m; wan zurinah, w; ismail, m.  (2014).  influence of the fto rs9939609 polymorphism on body mass index in relation to physical activity and sleeping duration in malay children.  - obesity reviews.  43. 

taridi n.m., abd rani n., abd latiff a., wan ngah w.z., mazlan m..  (2014).  tocotrienol rich fraction reverses age-related deficits in spatial learning and memory in aged rats.  - lipids.  855-869. 

nizam, n; poh, b; chong, p; christinal, t; wan ngah, w; jamal, r.  (2014).  association of melanocortin 4-receptor gene variants with obesity in malay children.  - obesity reviews.  38-39. 

pek leng ng, nor fadilah rajab, sue mian then, yasmin anum mohd yusof, wan zurinah wan ngah, kar yong pin, mee lee looi.  (2014).  piper betle leaf extract enhances the cytotoxicity effect of 5-fluorouracil in inhibiting the growth of ht29 and hct116 colon cancer cells.  - journal of zhejiang university: science b.  692-700. 

hasniza zaman huri, mohd makmor-bakry, rosnani hashim, norlaila mustafa, wan zurinah wan ngah.  (2014).  a prospective cohort study of irs genes polymorphisms in type 2 diabetes mellitus patients during severe/acute hyperglycemia phase. 2: association with glycemic control.  - tropical journal of pharmaceutical research.  13(6):903-906. 

hasniza zaman huri, mohd makmor-bakry, rosnani hashim, norlaila mustafa, wan zurinah wan ngah.  (2014).  a prospective cohort study on irs gene polymorphisms in type 2 diabetes mellitus patients during severe/acute hypergycemia phase 1: association with insulin resistance.  - tropical journal of pharmaceutical research.  13(6):895-901. 

hasniza zaman huri, mohd makmor-bakry, rosnani hashim, norlaila mustafa, wan zurinah wan ngah.  (2014).  effect of interaction between polymorphisms in insulin receptor substrate genes in type 2 diabetes mellitus patients with severe/acute hyperglycemia.  - tropical journal of pharmaceutical research.  13(6):889-894. 

amirah abdul rahman, suzana makpol, rahman jamal, roslan harun, norfilza mokhtar and wan zurinah wan ngah.  (2014).  tocotrienol-rich fraction, [6]-gingerol and epigallocatechin gallate inhibit proliferation and induce apoptosis of glioma cancer cells.  - molecules.  14528-14541. 

amirah abdul rahman, a rahman a jamal, roslan harun, norfilza mohd mokhtar and wan zurinah wan ngah.  (2014).  gamma-tocotrienol and hydroxy-chavicol synergistically inhibits growth and induces apoptosis of human glioma cells.  - bmc complementary and alternative medicine.  14:213. 

nurfathiah as, kenny d, suzana m, holmen sl, rahman aaj, wan zurinah wn.  (2014).  serum gfap and igfbp-2 levels on mutated akt/kras induced glioma in the mouse.  - asian pacific journal of tropical disease.  4(3):238. 

s. makpol, f.a. jam, n.a. rahim, s.c. khor, z. ismail, y.a.m yusof, w.z. wan ngah.  (2014).  comparable down-regulation of tyr, tyrp1 and tyrp2 genes and inhibition of melanogenesis by tyrostat, tocotrienol-rich fraction and tocopherol in human skin melanocytes imrpoves skin pigmentation.  - clinica terapeutica.  e39-45. 

norzana abd ghafar, kien hui chua, wan zurinah wan ngah, jemaima che hamzah, fauziah othman, ropilah abd rahman, ruszymah hj idrus.  (2014).  phenotypic characterization of culture expanded rabbit limbal corneal keratocytes.  - cell and tissue banking.  15(1):25-34. 

wan nuraini wan hasan, mi-kyoung kwak, suzana makpol, wan zurinah wan ngah and yasmin anum mohd yusof.  (2014).  piper betle induces phase i & ii genes through nrf2/are signaling pathway in mouse embryonic fibroblasts derived from wild type and nrf2 knockout cells.  - bmc complementary and alternative medicine.  72:1-9. 

amilia aminuddin, kalaivani chellappan, oteh maskon, zaiton zakaria, aminuddin a. karim, wan z. ngah, nor anita m. nordin.  (2014).  augmentation index is a better marker for cardiovascular risk in young malaysian males.  - saudi medical journal.  35(2):138-146. 

kok yong chin, soelaiman ima nirwana, isa naina mohamed, fairus ahmad, elvy suhana mohd ramli, amilia aminuddin, wan zurinah wan ngah.  (2014).  serum osteocalcin is significantly related to indices of obesity and lipid profile in malaysian men.  - international journal of medical sciences.  151-157. 

kok-yong chin, soelaiman ima-nirwana, isa naina mohamed, amilia aminuddin, mohd hanapi johari, wan zurinah wan ngah.  (2014).  the relationships between thyroid hormones and thyroid-stimulating hormone with lipid profile in euthyroid men.  - international journal of medical sciences.  11(4):349-355. 

kok-yong chin, soelaiman ima-nirwana, isa naina mohamed, mohamad hanapi johari, fairus ahmad, elvy suhana mohamed ramli, wan zurinah wan ngah.  (2014).  insulin-like growth factor-1 is a mediator of age-related decline of bone health status in men.  - the aging male.  102-106. 

aminuddin a., chellappan k., maskon o., zakaria z., karim a.a., ngah w.z., nordin n.a.m..  (2014).  augmentation index is a better marker for cardiovascular risk in young malaysian males: a comparison of involvement of pulse wave velocity, augmentation index, and c-reactive protein.  - saudi medical journal.  138-146. 

kok-yong chin, soelaiman ima-nirwana, isa naina mohamed, amilia aminuddin, mohamad hanapi johari, and wan zurinah wan ngah.  (2013).  thyroid-stimulating hormone is significantly associated with bone health status in men.  - international journal of medical sciences.  10(7):857-863. 

hasniza zaman huri, mohd makmor-bakry, rosnani hashim, norlaila mustafa, wan zurinah wan ngah.  (2013).  demographic and clinical predictors for insulin resistance in type 2 diabetes mellitus patients during severe/acute hyperglycemia phase.  - latin american journal of pharmacy.  32(1):120-127. 

amirah abdul rahman, norwahidah abdul karim, noor aini abdul hamid, roslan harun, and wan zurinah wan ngah.  (2013).  senescence-related changes in gene expression of peripheral blood mononuclear cells from octo/nonagenarians compared to their offspring.  - oxidative medicine and cellular longevity.  Article ID 189129. 

amirah abdul rahman, norwahidah abdul karim, noor aini abdul hamid, wan zurinah wan ngah.  (2013).  tocotrienol rich fraction and piper betle extract enhanced the viability of human peripheral blood mononuclear cells.  - international medical journal.  20(2):163-166. 

rosdinom razali, zanariah mat saher, elinda tunan, wan zurinah wan ngah, then sue mian, suriati mohamed saini, abdul hamid abdul rahman, & shamsul azhar shah.  (2013).  apolipoprotein e genotypes and behavioural and psychological symptoms of dementia (bpsd) in malaysian patients with dementia.  - sains malaysiana.  42(3):409-416. 

suzana makpol, faidruz azura jam, shy cian khor, zahariah ismail, yasmin anum mohd yusof and wan zurinah wan ngah.  (2013).  comparative effects in biodynes, tocotrienol-rich fraction, and tocopherol in enhancing collagen synthesis and inhibiting collagen degradation in stress-induced premature senescence model of human.....  - oxidative medicine and cellular longevity.  Art. ID 298574:1-8. 

faezah esa, wan zurinah wan ngah, a. rahman a. jamal, yasmin anum mohd yusof.  (2013).  inhibition of b-catenin and kras expressions by piper betle in azoxymethane-induced colon cancer of male fischer 344 rats.  - analytical and quantitative cytopathology and histopathology.  35 (6): 324-334. 

zakiah jubri, azian abdul latif, abdul gapor top, wan zurinah ngah.  (2013).  perturbation of cellular immune functions in cigarette smokers and protection by palm oil vitamin e supplementation.  - nutrition journal.  12(1):Art no.2. 

kok-yong chin, ima-nirwana soelaiman, isa naina mohamed, fairus ahmad, elvy suhana mohd ramli, amilia aminuddin, wan zurinah wan ngah.  (2013).  sex hormones in malay and chinese men in malaysia: are there age and race differences?.  - clinics.  68(2):159-165. 

amilia aminuddin, zaiton zakaria, ahmad f. fuad, jaarin kamsiah, faizah othman, srijit das, yusof kamisah, haji s. qodriyah, zakiah jubri, nor anita m. nordin, wan z. ngah.  (2013).  high c reactive protein associated with increased pulse wave velocity among urban men with metabolic syndrome in malaysia.  - saudi medical journal.  34(3):266-275. 

y. mohamad fairuz, a. azian, m.t. nursiati, d.srijit, a.h. hamzaini, w.n. wan zurinah, m musalmah.  (2013).  does long term supplementation of vitamin e cause detrimental effects on the central nervous system? morphological and histological study in experimental male wistar rats.  - la clinica terapeutica.  164(2):119-124. 

nur islami mohd fahmi teng, suzana shahar, nor fadilah rajab, zahara abdul manaf, ohamad hanapi johari, and wan zurinah wan ngah.  (2013).  improvement of metabolic parameters in healthy older adult men following a fasting calorie restriction intervention.  - the aging male.  16(4):177-183. 

jing jye lim, wan zurinah wan ngah, vincent mouly, and norwahidah abdul karim.  (2013).  reversal of myoblast aging by tocotrienol rich fraction posttreatment.  - oxidative medicine and cellular longevity.  Art. ID 978101:11 pages. 

nor azlin mohamed ismail, norkhatijah mohd aris, zaleha abdullah mahdy, shuhaila ahmad, norzilawati mohd naim, harlina harlizah siraj, rohana jaafar, shareena ishak, roslan harun, abd rahman abd jamil.  (2013).  single nucleotide polymorphism for certain genes involved in gestational diabetes with risk factors and complications positive.  - sains malaysiana.  42(11):1613-1618. 

eng chee heng, saiful anuar karsani, mariati abdul rahman, noor aini abdul hamid, zalina hamid, wan zurinah wan ngah.  (2013).  supplementation with tocotrienol-rich fraction alters the plasma levels of apolipoprotein a-i precursor, apolipoprotein e precursor, and c-reactive protein precursor from young and old individuals.  - european journal of nutrition.  52(7):1811-1820. 

nur islami mohd fahmi teng, suzana shahar, zahara abdul manaf, hasnah haron, wan zurinah wan ngah.  (2013).  fasting calorie restriction improved quality of dietary intake among aging men in klang valley, malaysia.  - pakistan journal of nutrition.  12(7): 607-614. 

suraya ibrahim, norimah a karim, ng lai oon and wan zurinah wan ngah.  (2013).  perceived physical activity barriers related to body weight status and sociodemographic factors among malaysian men in klang valley.  - bmc public health.  13:275. 

n.m. hussin, s.shahar, n.i.m.f. teng, w.z.w. ngah, sk das.  (2013).  efficacy of fasting and calorie restriction (fcr) on mood and depression among ageing men.  - the journal of nutrition, health and aging.  17(8): 674-680. 

k.-y. chin, s. ima-nirwana, i. n. mohamed, a. aminuddin, w. z. w. ngah.  (2013).  total testosterone and sex hormone-binding globulin are significantly associated with metabolic syndrome in middle-aged and elderly men.  - experimental and clinical endocrinology and diabetes.  121(7):407-412. 

goon jo aan, mohd shahril aszrin zainuddin, noralisa abdul karim, wan zurinah wan ngah.  (2013).  effect of the tocotrienol-rich fraction on the lifespan and oxidative biomarkers in caenorhabditis elegans under oxidative stress.  - clinics.  68(5): 599-604. 

suzana makpol, azalina zainuddin, kien hui chua, yasmin anum mohd yusof, and wan zurinah wan ngah.  (2013).  gamma-tocotrienol modulated gene expression in senescent human diploid fibroblasts as revealed by microarray analysis.  - oxidative medicine and cellular longevity.  Art ID 454328:1-11. 

kok-yong chin, ima-nirwana soelaiman, isa naina mohamed, norazlina mohamed, ahmad nazrun shuid, norliza muhammad, and wan zurinah wan ngah.  (2013).  discrepancy between the quantitative ultrasound value of malaysian men and the manufacturer`s reference and the impact on classification of bone health status.  - journal of clinical densitometry : assessment of skeletal health.  16(2):189-195. 

nor ashikeen mukti, mariati abdul rahman, saiful anuar karsani, wan zurinah wan ngah, yasmin anum mohd yusof.  (2013).  a purified novel protein from the culture media of chlorella vulgaris inhibits growth and induces cell death in hepatoma hepg2 cells.  - international medical journal.  20(2):140-145. 

kok-yong chin, ima-nirwana soelaiman, isa naina mohamed, suraya ibrahim, wan zurinah wan ngah.  (2012).  the effects of age, physical activity level, and body anthropometry on calcaneal speed of sound value in men.  - archives of osteoporosis.  7:135-145. 

kok-yong chin, ima-nirwana soelaiman, isa naina mohamed, wan zurinah wan ngah.  (2012).  serum testosterone, sex hormone-binding globulin and total calcium levels predict the calcaneal speed of sound in men.  - clinics.  67(8):911-916. 

noor aini a.h, nafeesa najwa a.k, ibrahim i.a.a, prasamit s.b, goon j.a, musalmah m., yasmin a.m.y, wan zurinah w.n..  (2012).  effects of tai chi exercise on physiological and biochemical changes among middle-aged adults.  - clinical and experimental medical letters.  53(3): 101-105. 

kok yong chin, ima nirwana soelaiman, isa naina mohamed, suzana shahar, nur islami mohd fahmi teng, elvy suhana mohd ramli, fairus ahmad, amilia aminuddin, wan zurinah wan ngah.  (2012).  testosterone is associated with age-related changes in bone health status, muscle strength and body composition in men.  - the aging male.  15(4): 240-245. 

riyadh saif-ali, roslan harun, nor azmi kamaruddin, saad al-jassabi, wan zurinah wan ngah.  (2012).  association of hepatocyte nuclear factor 4 alpha polymorphisms with type 2 diabetes with or without metabolic syndrome in malaysia.  - biochemical genetics.  50(3-4):298-308. 

teoh seong lin, azian abd latiff, noor aini abd hamid, wan zurinah wan ngah, musalmah mazlan.  (2012).  evaluation of topical tocopherol cream on cutaneous wound healing in streptozotocin-induced diabetic rats.  - evidence-based complementary and alternative medicine.  Article ID 491027:1-6. 

suzana makpol, norhazira abdul rahim, chua kien hui and wan zurinah wan ngah.  (2012).  inhibition of mitochondrial cytochrome c release and suppression of caspases by gamma-tocotrienol prevent apoptosis and delay aging in stress-induced premature senescence of skin fibroblasts.  - oxidative medicine and cellular longevity.  Art ID 785743: 1-13. 

nor syahida aliahmat, mohd razman mohd noor, wan junizam wan yusof, suzana makpol, wan zurinah wan ngah, yasmin anum mohd yusof.  (2012).  antioxidant enzyme activity and malondialdehyde levels can be modulated by piper betle, tocotrienol rich fraction and chlorella vulgaris in aging c57bl/6 mice.  - clinics.  67(12):1-8. 

kok-yong chin, soelaiman ima-nirwana, mohamed isa naina, mohamed norazlina, shuid ahmad nazrun, muhammad norliza, othman faizah, h. suhaimi farihah, mohd ramli elvy suhana, and wan ngah wan zurinah.  (2012).  calcaneal quantitative ultrasound value for middle-aged and elderly malaysian chinese men and its association with age and body anthropometry.  - journal of clinical densitometry.  15(1):86-91. 

hasnizawati mohamed dahlan, saiful anuar karsani, mariati abdul rahman, noor aini abdul hamid, a.gapor mat top, wan zurinah wan ngah.  (2012).  proteomic analysis reveals that treatment with tocotrienols reverses the effect of h 2o 2 exposure on peroxiredoxin expression in human lymphocytes from young and old individuals.  - journal of nutritional biochemistry.  23(7):741-751. 

suzana makpol, azalina zainuddin, kien hui chua,yasmin anum mohd yusof,wan zurinah wan ngah.  (2012).  gamma-tocotrienol modulation of senescence associated gene expression prevents cellular aging in human diploid fibroblasts.  - clinics.  67(2):135-143. 

zulhabri o, rahman j, ismail s, isa mr, wan zurinah wn.  (2012).  predominance of g to a codon 12 mutation k-ras gene in dukes` b colorectal cancer.  - singapore medical journal.  53(1):26-31. 

abdul murad na, othman z, khalid m, abdul razak z, hussain r, nadesan s, sagap i, mohamed rose i, wan ngah wz, jamal r..  (2012).  missense mutations in mlh1, msh2, kras, and apc genes in colorectal cancer patients in malaysia.  - digestive diseases and sciences.  57(11) : 2863-2872. 

sue-mian then, coral sanfeliu, gapor m top, wan zurinah wan ngah and musalmah mazlan.  (2012).  gamma-tocotrienol does not substantially protect ds neurons from hydrogen peroxide-induced oxidative injury.  - nutrition and metabolism.  9:Art 1. 

norizah, a, zakiah, i and wan, zurinah wn.  (2012).  an evaluation of the anticancer activity in hopea odorata extracts.  - journal of medicinal plants research.  6(8):1382-1388. 

hasniza zaman huri, mohd makmor-bakry, rosnani hashim, norlaila mustafa, wan zurinah wan ngah.  (2012).  optimisation of glycaemic control during episodes of severe/acute hyperglycaemia in patients with type 2 diabetes mellitus.  - international journal of clinical pharmacy.  34(6):863-870. 

norfaizatul shalida omar, zetty akmal che zakaria, then sue mian,wan zurinah wan ngah and musalmah mazlan.  (2011).  centella asiatica modulates neuron cell survival by altering caspase-9 pathway.  - journal of medicinal plants research.  5(11):2201-2209. 

siok-fong chin, johari ibahim, suzana makpol, noor aini abdul hamid,azian abdul latiff, zaiton zakaria, musalmah mazlan, yasmin anum mohd yusof,aminuddin abdul karim, wan zurinah wan ngah.  (2011).  tocotrienol rich fraction supplementation improved lipid profile and oxidative status in healthy older adults : a randomized controlled study.  - nutrition & metabolism.  8(42):2-14. 

suzana makpol, lina wati durani, kien hui chua, yasmin anum mohd yusof, and wan zurinah wan ngah.  (2011).  tocotrienol-rich fraction prevents cell cycle arrest and elongates telomere length in senescent human diploid fibroblasts.  - journal of biomedicine and biotechnology.  2011: art no 506171. 

yasmin anum mohd yusof, junaida maimunah hassan basari, nor ashikeen mukti, razali sabuddin, a. razak muda, suhaina sulaiman, suzana makpol and wan zurinah wan ngah.  (2011).  fatty acids composition of microalgae chlorella vulgaris can be modulated by varying carbon dioxide concentration in outdoor culture.  - african journal of biotechnology.  10(62):13536-13542. 

noor aini abd hamid, mohd a hasrul, rusdiah j ruzanna, ibrahim a ibrahim, prasamit s baruah, musalmah mazlan, yasmin anum mohd yusof, and wan zurinah wan ngah.  (2011).  effect of vitamin e (tri e) on antioxidant enzymes and dna damage in rats following eight weeks exercise.  - nutrition journal.  10:37. 

riyadh saif-ali, roslan harun, s.al-jassabi and wan zurinah wan ngah.  (2011).  hepatocyte nuclear factor 4 alpha p2 promoter variants associate with insulin resistance.  - acta biochimica polonica.  58(2):179-186. 

nur islami mohd fahmi teng, suzana shahar, zahara abdul manaf, sai krupa das, che suhaili che taha, wan zurinah wan ngah.  (2011).  efficacy of fasting calorie restriction on quality of life among aging men.  - physiology & behavior.  104(5):1059-1064. 

goon jo aan, haryati ahmad hairi, suzana makpol, mariati abdul rahman, saiful anuar karsani, wan zurinah wan ngah.  (2011).  differential protein expression in senescent human skin fibroblasts and stressminduced premature senescence (sips) fibroblasts.  - sains malaysiana.  40(11):1247-1253. 

suzana makpol, faidruz azura jam, yasmin anum mohd yusof, wan zurinah wan ngah.  (2011).  modulation of collagen synthesis and its gene expression in human skin fibroblasts by tocotrienol-rich fraction.  - archives of medical science.  7(5):889-895. 

n.m. taridi, m.f. yahaya, s.l. teoh, a.a. latiff, w.z. wan ngah, s. das, m. mazlan.  (2011).  tocotrienol rich fraction (trf) supplementation protects against oxidative dna damage and improves cognitive functions in wistar rats.  - clinica terapeutica.  162(2):93-98. 

norfaizatul so, zetty akmal cz, noralisa ak, then sm, wan zurinah wn, musalmah m.  (2010).  dual effects of plant antioxidants on neuron cell viability.  - journal of medicinal plants.  9(Suppl 6):113-123. 

n. zailan, a.h. abdul rashid, s. das, n.a. abdul mokti, j. hassan basri, s.l. teoh, w.z. wan ngah, y.a. mohd yusof.  (2010).  comparison of chlorella vulgaris dressing and sodium alginate dressing: an experimental study in rats.  - clinica terapeutica.  161(6):515-521. 

then sue-mian, musalmah mazlan, gapor mat top & wan zurinah wan ngah.  (2010).  comparison of the effects of alpha-tocopherol dan gamma-tocotrienol against oxidative stress in two different neuronal cultures.  - sains malaysiana.  39(1):145-156. 

suzana makpol, azrina zainal abidin, khalilah sairin, musalmah mazlan, gapor md. top and wan zurinah wan ngah.  (2010).  gamma-tocotrienol prevents oxidative stress-induced telomere shortening in human fibroblasts derived from different aged individuals.  - oxidative medicine and cellular longevity.  3(1):35-43. 

suzana makpol, azalina zainuddin, norhazira abdul rahim, yasmin anum mohd yusof, wan zurinah wan ngah.  (2010).  alpha-tocopherol modulates hydrogen peroxide-induced dna damage and telomere shortening of human skin fibroblasts derived from differently aged individuals.  - planta medica.  76(9):869-875. 

musalmah mazlan, rehanna mansor & wan zurinah wan ngah.  (2010).  hydrogen peroxide stimulates glucose uptake in myotube cells via the insulin signaling pathway.  - sains malaysiana.  39(2):315-320. 

yasmin anum mohd yusof, suhana md. saad, suzana makpol, nor aripin shamaan, wan zurinah wan ngah.  (2010).  hot water extract of chlorella vulgaris induced dna damage and apoptosis.  - clinics.  65(12):1371-1377. 

o zulhabri, r jamal, s ismail, mr isa, wz wan ngah.  (2009).  predominance of g to a codon 12 mutation in k-ras2 gene in colorectal cancer.  - medical journal of malaysia.  24. 

o zulhabri, r jamal, m r isa, s harjit, w z wan ngah.  (2009).  hotspot ser-249 tp53 mutations, aflatoxin b1-adducts and hepatitis b infection in human hepatocellular carcinoma from malaysia.  - medical journal of malaysia.  64(Suppl B):88. 

emey suhana mohd azamai, suhaniza sulaiman, shafina hanim mohd habib, mee lee looi, srijit das, nor aini abdul hamid, wan zurinah wan ngah, yasmin anum mohd yusof.  (2009).  chlorella vulgaris triggers apoptosis in hepatocarcinogenesis-induced rats.  - journal of zhejiang university science b.  10(1):14-21. 

j.a. goon, a.h. noor aini, m. musalmah, m.y. yasmin anum, w.m. wan nazaimoon, and w.z. wan ngah.  (2009).  effect of tai chi exercise on dna damage, antioxidant enzymes, and oxidative stress in middle-age adults.  - journal of physical activity and health.  6(1):43-54. 

nor ashikeen mukti, suhaniza sulaiman, suhana md saad, junaida@maimunah hassan basari, mariati abdul rahman, wan zurinah wan ngah & yasmin anum mohd yusof.  (2009).  chlorella vulgaris menunjukkan kesan antioksidan dan antitumor terhadap kanser hepar dalam kajian in vivo dan in vitro.  - sains malaysiana.  38(5):773-784. 

nabishah mohamed, farihah haji suhaimi, srijit das, abdus salam, siti mariam bujang, mohamad arif kamuruddin, harlina h siraj, wan zurinah wn.  (2009).  problem based learning facilitation: new challenges to higher education educators.  - international medical journal.  16(4):243-246. 

mee lee looi, saiful anuar karsani, mariati abdul rahman, ahmad zailani hatta mohd dali, siti aishah md ali, wan zurinah wan ngah and yasmin anum mohd yusof.  (2009).  plasma proteome analysis of cervical intraepithelial neoplasia and cervical squamous cell carcinoma.  - journal of biosciences.  34(6):917-925. 

sue mian then, musalmah mazlan, gapor mat top, wan zurinah wan ngah.  (2009).  is vitamin e toxic to neurons cells?.  - cellular and molecular neurobiology.  29(4):485-496. 

suzana makpol, nadia yaacob, azalina zainuddin, yasmin anum mohd yusof and wan zurinah wan ngah.  (2009).  chlorella vulgaris modulates hydrogen peroxide-induced dna damage and telomere shortening of human fibroblasts derived from different aged individuals.  - african journal of traditional, complementary and alternative medicines.  6(4):560-572. 

j a goon, a h noor aini, m musalmah, m y yasmin anum, wz wan ngah.  (2008).  long term tai chi exercise reduced dna damage and increased lymphocyte apoptosis and proliferation in older adults.  - medical journal of malaysia.  63(4):319-324. 

a zainuddin, s makpol, k h chua, n abdul rahim, y a mohd yusof, w z wan ngah.  (2008).  gapdh as housekeeping gene for human skin fibroblast senescent model.  - the medical journal of malaysia.  63(Supp A):73-74. 

n abdul rahim, s makpol, k h chua, y a mohd yusof, g md top, w z wan ngah.  (2008).  apoptosis changes and sa-b galactosidase expression in stress-induced premature senescence (sips) model of human skin fibroblasts.  - the medical journal of malaysia.  63(Supp A):71-72. 

shafina hanim mohd habib, suzana makpol, noor aini abdul hamid, srijit das, wan zurinah wan ngah, yasmin anum mohd yusof.  (2008).  ginger extract (zingiber officinale) has anti-cancer and anti-inflammatory effects on ethionine-induced hepatoma rats.  - clinics.  63(6):807-813. 

narimah ah hasani, permeen a yusoff, khalid bak, a gapor mt, wan ngah wz.  (2008).  the possible mechanism of action of palm oil y-tocotrienol and a-tocopherol on the cervical carcinoma caski cell apoptosis.  - biomedical research.  19(3):194-200. 

mee lee looi, ahmad zailani hatta, siti aishah, wan zurinah wan ngah, yasmin anum mohd yusof.  (2008).  expression of p53, bcl-2 and ki-67 in cervical intraepithelial neoplasia and invasive squamous cell carcinoma of the uterine cervix.  - analytical quantitative cytology and histology.  30(2):63-70. 

mee- lee looi, ahmad zailani hatta mohd dali, siti aishah md ali, wan zurinah wan ngah and yasmin anum mohd yusof.  (2008).  oxidative damage and antioxidant status in patients with cervical intraepithelial neoplasia and carcinoma of the cervix.  - european journal of cancer prevention.  17(6):555-560. 

suzana makpol, mastura abd. aziz, gapor md. top, wan zurinah wan ngah.  (2006).  effects of gamma-tocotrienol and alpha-tocopherol on arachidonic acid-induced cytotoxicity and apoptosis in transfected hep g2 cell line expressing human cytochrome p4502e1.  - european journal of scientific research.  13(1):31-43. 

y kamisah, a adam, wz wan zurinah, mt gapor, o azizah, a marzuki.  (2005).  chronic intake of red palm olein and palm olein produce beneficial effects on plasma lipid profile in rats.  - pakistan journal of nutrition.  4(2): 89-96. 

o zulhabri, wz wan ngah, i sagap, n sukumar, k melati, mr isa, r jamal.  (2004).  telomerase activity in human colorectal cancer.  - medical journal of malaysia.  59(Supp C):81. 

mazlan musalmah, abd halim fairuz, mat top gapor and wan zurinah wan ngah.  (2002).  effect of vitamin e on plasma malondialdehyde, antioxidant enzyme levels and the rates of wound closures during wound healing in normal and diabetic rats..  - asia pacific journal of clinical nutrition.  11(Suppl. 7):S448-S451. 

y kamisah, a adam, wz wan ngah, a gapor, bak khalid, a marzuki.  (2000).  tocotrienol and tocopherol were protective against xanthine plus xanthine oxidase induced oxidative stress.  - asia pacific journal of pharmacology.  14:111-16. 

s. makpol, n.a. shamaan, z. jarien, a.g.m top, b.a.k. khalid, w.z. wan ngah.  (1997).  different starting times of alpha tocopherol and gamma tocotrienol supplementation and tumor marker enzyme activities in the-rat chemically induced with cancer.  - general pharmacology: the vascular system.  589-592. 

suzana makpol, wan zurinah wan ngah, nor aripin shamaan, zanariah jarien, alini marzuki, bin abdul kadir khalid.  (1996).  y-glutamyl transpeptidase, glutathione s-transferase, alkaline phosphatase, and glutathione levels during different stages of chemically induced hepatocarcinogenesis in the rat.  - journal of clinical biochemistry and nutrition.  121-129. 

zarida hambali, wan z.w. ngah, shahrom a. wahid and khalid a. kadir.  (1995).  effect of ovariectomy and sex hormone replacement on glutathione and glutathione-related enzymes in rat hepatocarcinogenesis.  - pathology.  27:30-35. 

fee bee ong, wan zurinah wan ngah, alini marzuki, khalid abdul kadir, nasaruddin abdullah, abdul gapor md top and nor aripin shamaan.  (1994).  effect of vitamin e supplementation on the immune response during chemically induced hepatocarcinogenesis in the rat.  - journal of clinical biochemistry and nutrition.  161-169. 

asmah rahmat, wan zurinah wan ngah, alini marzuki, zanariah jarien, rosnani ismail, khalid abdul kadir and nor aripin shamaan.  (1993).  effect of gamma-tocotrienol and alpha-tocopherol on blood glutathione and tumor marker enzymes during chemical hepatocarcinogenesis in the rat.  - journal of clinical biochemistry and nutrition.  195-202. 

wan zurinah wan ngah, zanariah jarien, myint myint san, alini marzuki, gapor md top, nor aripin shamaan, and khalid abdul kadir.  (1991).  effect of tocotrienols on hepatocarcinogenesis induced by 2-acetylaminofluorene in rats.  - american journal of clinical nutrition.  1076S-1081S.