`ulya abdul rahim, mohd firdaus mohamed, khairatul nadia ramli, nurazilah sallehulldin, muhd hafiz roslan, clarence ko ching huat, mohd salleh sulieman, ahmad bukhari a. latib, razif adli rosli, abdul halim abdul gafor.  (2022).  laporan tahunan fakulti perubatan ukm 2022.  - .  1-66. 

eu choon leng, benny ong wee tat, jane lim tze yin, nur iwana abdul taib, liu chian yong, clarence ko ching huat, chan lai fong, hatta sidi.  (2020).  teori dan inovasi pengajaran dan pembelajaran menyusuri pandemik covid-19.  - .  16. 

clarence ching huat ko, wai kit chia, gayathri thevi selvarajah, yoke kqueen cheah, yin ping wong, geok chin tan.  (2020).  the role of breast cancer stem cell-related biomarkers as prognostic factors.  - diagnostics.  1-15. 

chan lai fong,nur asyikin mohd shukor, nurul ain mohamad kamal, ahmad fauzan muhamad zahir, clarence ko ching huat, suhada mansor, muhammad fakhri mohd saleh, muaatamarulain mustangin, mohd harisfazal mohamed basri.  (2020).  cegah bunuh diri: tanggungjawab kita bersama.  - .  1. 

wong yin ping;cheah fook choe;clarence ko ching huat;wong kon ken;tan geok chin;chia wai kit.  (2019).  a study on the effects of gardnerella vaginalis infection on various growth factor receptors in human trophoblast cell lines.  - .  1-5. 

hj. zanudin mohd daud, mohd hairul faizal hj. ahmad, nurul safaniza che ani, thohir hasim, nurul hafiza mazlan, nurazilah mohd sallehuldin, muhamad hafiz roslan, clarence ko ching huat, ahmad bukhari a. latib, razif adli rosli..  (2019).  laporan tahunan fakulti perubatan 2019.  - laporan tahunan fakulti perubatan 2019.  1-40. 

tang yee loong, raja zahratul azma raja sabudin, leong chooi fun, clarence ko ching huat, chia wai kit, salwati shuib and wong chieh lee.  (2015).  double philadelphia chromosome-positive b acute lymphoblastic leukaemia in an elderly patient.  - the malaysian journal of pathology.  275-279. 

nor azian abdul murad, zuraini abdul razak, rosniza muhammmad hussain, sharifah noor akmal, clarence ko ching huat, siti aishah che md ali, norlia abdullah, rohaizak muhammad, naqiyah i, rahman jamal.  (2013).  quantification of her-2/neu gene in breast cancer patients using real time-polymerase chain reaction (q-pcr) and correlation with immunohistochemistry findings.  - asian pacific journal of cancer prevention.  14(3):1655-1659. 

y.l. tang, azma rz, c.f. leong, c.h. ko, hafiza a., w.k. chia, sharifah na, c.l. wong.  (2013).  double philadephia chromosome positive b acute lymphoblastic leukaemia seen in an elderly.  - the xth malaysian national haematology scientific meeting.  . 

wai kit chia, noor akmal sharifah, rahayu md zin reena, zakaria zubaidah, ching huat clarence-ko, muhammad rohaizak, ibrahim naqiyah, das srijit, abdullah nor hisham, arbi asmiati, md kaslan rafie.  (2010).  fluorescence in situ hybridization analysis using pax8- and pparg-specific probes reveals the presence of pax8-pparg translocation and 3p25 aneusomy in follicular thyroid neoplasms.  - cancer genetics and cytogenetics.  196(1):7-13. 

zarina al, juriza i, sharifah azween so, azli i, mohd fadly ma, zubaidah z, chia wk, clarence ko ch, julia mi, khairunisa k, sharifah noor akmal sh.  (2010).  cri-du-chat syndrome: application of array cgh in diagnostic evaluation.  - medicine & health.  108-113. 

noor akmal sharifah, md isa nurismah, han chung lee, aziz nur aisyah, ching huat clarence-ko, ismail naqiyah, mohamad rohaizak, ismail fuad, a. rahman a. jamal, abdul latiff zarina, emran nor aina....  (2010).  identification of novel large genomic rearrangements at the brca1 locus in malaysian women with breast cancer.  - cancer epidemiology.  34(4):442-447. 

sharifah na, nurismah mi, lee hc, nur aisyah a, clarence-ko ch, naqiyah i, rohaizak m, fuad i, rahman aj, zarina al, nor aina e, normayah k, nor hisham a..  (2009).  novel large genomic re-arrangements (lgrs) identified at the brca1 locus in two malaysian patients with breast cancer.  - national conference for clinical research (nccr 2009).  . 

sharifah na, nurismah mi, lee hc, clarence-ko ch, naqiyah i, rohaizak m, fuad i, rahman aj, zarina al, nor aina e, normayah k, nor hisham a..  (2009).  denaturing high performance liquid chromatography (dhplc) in the screening of brca1 and brca2 mutations in breast cancer.  - 8th malaysia genetic congress.  . 

noor akmal sharifah, a seeni, mi nurismah, ch clarence-ko, az hatta, ng-paul ho, t rafaee, n adeeb, ar jamal.  (2009).  prevalence of human papillomavirus in abnormal cervical smears in malaysian patients.  - asian pacific journal of cancer prevention.  10(2):303-306. 

sharifah na, nurismah mi, lee hc, nur aisyah a, clarence-ko ch, naqiyah i, rohaizak m, fuad i, rahman aj, zarina al, nor aina e, normayah k, nor hisham a..  (2009).  screening for large genomic rearrangements (lgrss) in the brca1 and brca2 genes in malaysian patients with breast cancer.  - 8th annual scientific meeting & annual general meeting of the college of pathologist, academy of medicine malaysia.  . 

sharifah na, nurismah mi, lee hc, clarence-ko ch, rohaizak m, naqiyah i, fuad i, rahman aj, azian m, noraina e, hisham an.  (2008).  novel large genomic rearrangements on the brca1 gene detected in malaysian patients with breast cancer.  - uicc world cancer congress: towards true cancer control.  . 

reena rahayu md zin, sharifah noor akmal, zubaidah zakaria, clarence ko ching huat, siti mariam yusof, julia mohd idris, zarina abdul latif, wu loo ling, wong ming.  (2008).  identification of y chromosomal material in turner syndrome by fluorescence in situ hybridisation (fish).  - medicine & health.  22-29. 

sharifah na, nurismah mi, lee hc, clarence-ko ch, rohaizak m, naqiyah i, fuad i, rahman aj, azian m, noraina e, hisham an.  (2008).  detection of large genomic rearrangements in the brca1 gene in malaysian patients with breast cancer.  - sydney cancer conference 2008 - research translation: innovation to practice.  . 

na sharifah, br lee, ch clarence-ko, gc tan, ms shiran, i naqiyah, m rohaizak, i fuad, am tamil.  (2008).  c-erbb-2 onco-protein expression in breast cancer: relationship to tumour characteristics and short-term survival in universiti kebangsaan malaysia medical centre.  - asian pacific journal of cancer prevention.  9(4):663-670. 

mdzin r, ko c, abdul latif z, zakaria z.  (2008).  interstitial deletion of the distal long arm of chromosome 4, del (4)(q33-q35), in association with paternal balanced translocation.  - singapore medical journal.  49(11):e336-e339. 

munirah ma, siti-aishah ma, mastura m, clarence-ko ch, rohaizak m, norlia a, naqiyah i, sharifah na.  (2007).  kaitan antara pengekspresan penanda molekular bcl 2 dan gred histologi dalam kanser payudara dengan menggunakan teknik tisu mikroaray.  - minggu penyelidikan ke viii perubatan dan kesihatan.  . 

nurismah mi, lee hc, sharifah na, lee sy, nur aisyah a, clarence-ko ch, rahman aj, azian m, rohaizak m, nor aina e, hisham an.  (2007).  detection of brca2 gene mutation in breast cancer patients using denaturing high performance liquid chromatography (dhplc).  - malaysian journal of pathology.  29(Supl A):152. 

ma munirah, ma siti-aishah, m mastura, mz reena, ch clarence-ko, m rohaizak, a norlia, i naqiyah, na sharifah.  (2007).  expression of selected markers in breast carcinomas by tissue microarray.  - pathology international.  57(Suppl 1: A4). 

tan gc, shiran ms, swaminathan m, phang ks, clarence-ko ch, jeevanan j.  (2007).  papillary carcinoma of the thyroglossal duct cyst in a 15-year-old girl.  - international journal of pediatric otorhinolaryngology extra.  2:72-75. 

chia wk, sharifah na, clarence-ko ch, reena rmz, ezanee azlina mh, zubaidah z, rohaizak m, nor hisham a.  (2007).  pax8-ppar1 fusion oncogene in follicular thyroid carcinoma.  - malaysian journal of pathology.  29(Suppl A):124. 

sharifah na, ezanee a, clarence ko ch, zubaidah z, reena mz, rohaizak m, hisham a.  (2007).  chromosomal changes in thyroid diseases: involvement of chromosome 21 an early event in thyroid tumorigenesis?.  - malaysian journal of pathology.  29(Supl A):135. 

sharifah na, lam ky, zubaidah z, chin lp, nur aisyah a, clarence-ko ch, rohaizak m, nor aina e, hisham an.  (2007).  patterns of chromosomal alterations in breast cancer and deletion on chromosome 22 are associated with lymph node-negative.  - malaysian journal of pathology.  29(Supl. A):150. 

nurismah mi, lee sy, sharifah na, clarence-ko ch, rohaizak m, nor aina e, hisham an, yoon sy, toh gt..  (2007).  detection and characterisation of the brca2 gene in malaysian breast cancer patients.  - malaysian journal of pathology.  29(Supl A):151. 

munirah ma, siti-aishah ma, mastura m, clarence-ko ch, rohaizak m, norlia a, naqiyah i dan sharifah na.  (2006).  application of tissue microarray in breast carcinoma.  - 1st usm-penang international postgraduate convention 2006.  . 

ma siti-aishah, ma munirah, m mastura, mz reena-rahayu, ch clarence-ko, m rohaizak, a norlia, i naqiyah, na sharifah.  (2006).  expression of er, pr, c-erbb-2, p53, ck 5/6 and p27 in breast carcinomas by tissue microarray.  - modern pathology.  19(3S):23. 

clarence kch, wong cs, salwati s, sharifah nk, a rahman j, siti aishah ma, zubaidah z, mohd rt, ahmad zhmd, paul n, nafisah a.  (2003).  chromosomal abnormalities in cervical cancer- a preliminary report.  - 8th national conference on medical sciences.  . 

clarence ko ching huat, wong chei san, salwati shuib, sharifah noor akmal, a rahman jamal, siti aishah md ali, zubaidah zakaria, mohd rafaee tamby, ahmad zailani hatta mohd dali, paul ng, nafisah adee.  (2003).  chromosomal abnormalitis in cervical cancer- a preliminary report.  - malaysian journal of medical sciences.  10(2):143. 

wong chei san, clarence ko ching huat, sharifah noor akmal, julia munchar munchar jajuli, siti aishah md ali, mohd raaee tamby, ahmad zailani hatta mohd dali, paul ng, nafisa adeeb.  (2003).  overexpression of p53 and p53 polymorphism in hpv related cervical carcinoma.  - 8th national conference on medical sciences.  .