zahra rashidbenam, mohd hafidzul jasman, guan hee tan, eng hong goh, xeng inn fam, christopher chee kong ho, zulkifli md zainuddin, reynu rajan, rizal abdul rani, fatimah mohd nor, mohamad aznan shuhaili, nik ritza kosai, farrah hani imran, min hwei ng.  (2021).  fabrication of adipose-derived stem cell-based self-assembled scaffold under hypoxia and mechanical stimulation for urethral tissue engineering.  - international journal of molecular sciences.  1-32. 

li yi lim, guan hee tan, zulkifli md zainuddin, xeng inn fam, eng hong goh, othman syazarina syaris, azyani yahaya, praveen singam.  (2020).  prospective evaluation of using multiparametric magnetic resonance imaging in cognitive fusion prostate biopsy compared to the standard systematic 12-core biopsy in the detection of prostate cancer.  - urology annals.  276-282. 

aida kalok, shalisah sharip, abdul muzhill abdul hafizz, zulkifli md zainuddin, mohamad nasir shafiee.  (2020).  the psychological impact of movement restriction during the covid-19 outbreak on clinical undergraduates: a cross-sectional study.  - international journal of environmental research and public health.  1-13. 

salah abood salem, zahra rashidbenam, mohd hafidzul jasman, christopher chee kong ho, ismail sagap, rajesh singh, mohd reusmaazran yusof, zulkifli md. zainuddin, ruszymah bt haji idrus & min hwei ng.  (2020).  incorporation of smooth muscle cells derived from human adipose stem cells on poly(lactic-co-glycolic acid) scaffold for the reconstruction of subtotally resected urinary bladder in athymic rats.  - tissue engineering and regenerative medicine.  553-563. 

fattah hamid, zainal adwin abidin, firdaus hayati, fam xeng inn, zulkifli zainuddin.  (2019).  skeletal metastases in renal cell carcinoma: a peculiar occurrence after treatment and long term remission.  - gazi medical journal.  311-312. 

zahra rashidbenam, mohd hafidzul jasman, pezhman hafez, guan hee tan, eng hong goh, xeng inn fam, christopher chee kong ho, zulkifli md zainuddin, reynu rajan, fatimah mohd nor,mohamad aznan shuhaili, nik ritza kosai, farrah hani imran, min hwei ng.  (2019).  overview of urethral reconstruction by tissue engineering: current strategies, clinical status and future direction.  - tissue engineering and regenerative medicine.  365-384. 

lai jun han, zainal adwin abidin, fam xeng inn, hadfizul jasman, zulkifli zainuddin.  (2019).  urinary bladder perforation by ventriculoperitoneal shunt manifested as spontaneous per- urethral extrusion of shunt catheter.  - gazi medical journal.  320-322. 

nurul syahirah aziz jaafar, kok-sing lim, muhammad khairol annuar zaini, harith ahmad, suhaila sepeai, guan hee tan, geok chin tan, zulkifli md. zainuddin.  (2019).  the surgical ablation on soft tissues using ho:yag laser with deviated beam fibe.  - optical fiber technology.  1-5. 

loo guo hou, lim li yi, zulkifli zainuddin, fam xeng inn.  (2019).  staged resection in the management of hiv-related anogenital giant condyloma acuminatum. a case report.  - annals of medicine and surgery.  73-76. 

zainal adwin, deven aragena, fam xeng inn, zulkifli zainuddin.  (2019).  retroperetoneoscopic nephrectomy: a beginner's experience.  - international journal of urology.  196-197. 

suzliza shukor, fam xeng inn, zulkifli zainuddin.  (2019).  transrectal ultrasound-guided biopsy and prostate cancer detection: a single-centre study in kuala lumpur, malaysia.  - international journal of urology.  185-186. 

fam xeng inn, nurzarina ahmed, loo guo hou, zainal adwin zainal abidin, lim li yi, zulkifli md. zainuddin.  (2019).  intravesical stent position as a predictor of quality of life in patients with indwelling ureteral stent.  - international urology and nephrology.  1949-1953. 

za zainal adwin, wd wan omar, h jasman, z zainuddin.  (2018).  endoscopic combined intrarenal surgery ecirs a beginners experience.  - british journal of urology international.  11. 

zainal adwin, suzliza shukor, hafidzul jasman, zulkifli zainuddin.  (2018).  prophylactic ureteral stents in colectomies: is it really required?.  - british journal of urology international.  . 

zainal adwin zainal abidin, firdaus hayati, guan hee tan, eng hong goh, jasman hafidzul, md zainuddin zulkifli.  (2018).  giant urethral calculus without acute urinary retention.  - journal of the college of physicians and surgeons--pakistan : jcpsp.  . 

jh lai , za zainal adwin , xi fam, j hafidzul, gh tan , eh goh, mz zulkifli.  (2017).  urinary bladder perforation by ventriculoperitoneal shunt manifested as spontaneous perurethral extrusion of shunt catheter: a rare complication.  - british journal of urology international.  31. 

g prem, eh goh, xi fam, gh tan, h jasman, za zainal adwin, z zainuddin.  (2017).  a rare presentation of urinary tract symptoms in a teenager zinners syndrome.  - british journal of urology international.  33. 

mohd rohaizat hassan, mohd fadhli samsuri, shamsul azhar shah, nazarudin safian, zulkifli md zainuddin, hasanain faisal ghazi.  (2017).  prevalence of premature ejaculation and erectile dysfunction and their associated factors among urban and rural population of malaysia.  - malaysian journal of public health medicine.  86-96. 

guan hee tan, shamsul azhar shah, nurayub md ali, eng hong goh, praveen singam, christopher chee kong ho, zulkifli md zainuddin.  (2017).  urethral strictures after bipolar transurethral resection of prostate may be linked to slow resection rate.  - investigative and clinical urology.  186-191. 

maisarah mohamad, norhazlina abdul wahab, rosna yunus, nor azian abdul murad, zulkifli md zainuddin, murali sundaram, norfilza mohd mokhtar.  (2016).  roles of microrna-21 and microrna-29a in regulating cell adhesion related nenes in bone metastasis secondary to prostate cancer.  - asia pacific journal of cancer prevention.  3437-3445. 

guan hee tan, zulkifli md zainuddin, xeng inn fam, eng hong goh, christopher ho, praveen singam, azuan nik, taranjit kaur.  (2016).  prostate size and dimensions of 600 southeast asian men aged 40 to 70 years old.  - international journal of urology.  5-6. 

fam xeng inn, praveen singam, christopher ho chee kong, radhika sridharan, rozita hod, badrulhisham bahadzor, goh eng hong, tan guan hee, zulkifli zainuddin.  (2015).  ureteral stricture formation after ureteroscope treatment of impacted calculi: a prospective study.  - korean journal of urology.  e8. 

praveen singam, goh eng hong, christopher ho, tan guan hee, hafidzul jasman, fam xeng inn, badrulhisham bahadzor, azmi tamil, zulkifli zainuddin.  (2015).  nocturia in patients with benign prostatic hyperplasia: evaluating the significance of ageing, co-morbid illnesses, lifestyle and medical therapy in treatment outcome in real life practice.  - the aging male.  112-117. 

ho c, akhavanmalyeri a, jasman mh, tan gh, singam p, goh eh, bahadzor b, md zainuddin z.  (2015).  testosterone level predicts outcome of phosphodiesterase-5 inhibitor treatment.  - journal of sexual medicine.  236. 

ho c, ahmad nazir n, md zainuddin z.  (2015).  improvement in both lower urinary tract symptoms and erectile function with alpha blocker therapy in benign prostatic hyperplasia.  - journal of sexual medicine.  253. 

nenny noorina saaid, reena rahayu md zin, siti aishah md ali, sharifah noor akmal syed hussain, zulkifli zainuddin & zubaidah zakaria.  (2014).  array comparative genomic hybridization analysis identified the chromosomal aberrations and putative genes involved in prostate tumorigenesis of malaysian men.  - sains malaysiana.  1317-1326. 

c.c.k. ho, k.s. ngoo, a.h hamzaini, a.m.m. rizal, m.z. zulkifli.  (2014).  urinary bladder characteristics via ultrasound as predictors of acute urinary retention in men with benign prostatic hyperplasia.  - clinica terapeutica.  165(2):. 

mohamad rodi isa, foong ming moy, azad hassan abdul razack, zulkifli md zainuddin, nur zuraida zainal.  (2013).  anxiety status and its relationship with general health related quality of life among prostate cancer patients in two university hospitals in kuala lumpur, malaysia.  - iranian journal of public health.  42(3):240-248. 

cck ho, k krishna, mz zulkifli.  (2013).  withdrawal of alpha blocker therapy following initial combination therapy with 5 alpha-reductase inhibitor (5ari) dutasteride for benign prostatic hyperplasia: a randomized controlled trial on efficac.  - bju international.  111(Suppl 3):57. 

salem, salah abood; hwei, ng min; bin saim, aminuddin; ho, christopher c. k.; sagap, ismail; singh, rajesh; yusof, mohd reusmaazran; zainuddin, zulkifili md; idrus, ruszymah bt. hj.  (2013).  polylactic-co-glycolic acid mesh coated with fibrin or collagen and biological adhesive substance as a prefabricated, degradable, biocompatible, and functional scaffold for regeneration of the urinary.  - journal of biomedical materials research - part a.  101A(8)2237-2247:. 

christopher chee kong ho, poh keat seong, zulkifli md zainuddin, mohd rizal abdul manaf, muhilan parameswaran, azad ha razack.  (2013).  retrospective study of predictors of bone metastasis in prostate cancer cases.  - asian pacific journal of cancer prevention.  14(5):2203-2206. 

sharifa wan puteh ezat, syed mohamed aljunid syed junid, noraziani khamis, zafar ahmed, saperi sulong, amrizal muhammad nur, azimatun noor aizuddin, fuad ismail, norlia abdullah, zulkifli md, ....  (2013).  skeletal-related events among breast and prostate cancer patients: towards new treatment initiation in malaysia`s hospital setting.  - asian pacific journal cancer prevention.  14(5):3357-3362. 

salah abood salem, angela ng min hwei, aminuddin saim, christopher ho chee kong, ismail sagap, rajesh singh, mohd reusmaazran yusof, zulkifili md zainuddin, ruszymah hj idrus.  (2013).  human adipose tissue derived stem cells as a source of smooth muscle cells in the regeneration of muscular layer of urinary bladder wall.  - malaysian journal of medical sciences.  20(4):78-85. 

osman syazarina sharis, md zainuddin zulkifli, abdul hamid hamzaini.  (2013).  predicting outcome of trial of voiding without catheter in acute urinary retention with intravesical prostatic protrusion.  - malaysian journal of medical sciences.  20(1):56-59. 

g.h. tan, c.c.k. ho, b. bahadzor, s. praveen, e.h. goh, a.s. syahril, m.z. zulkifli.  (2013).  bilateral emphysematous pyelitis: a rare encounter in urology.  - clinica terapeutica.  164(4):319-321. 

tan gh, shamsul as, ho sa, nurhafizah sh, lim cs, nurudin aag, praveen s, ho cck, goh eh, bahadzor b, zulkifli mz.  (2013).  stratifying patients with haematuria into high or low risk groups for bladder cancer: a novel clinical scoring system.  - asian pacific journal of cancer prevention.  14(11):6327-6330. 

g.h. tan, c.c.k. ho, b. bahadzor, s. praveen, e.h. goh, a.r. afdzillah, m.z. zulkifli.  (2013).  an unusual cause of a penetrating injury to the anterior urethra: a thorny situation.  - clinica terapeutica.  164 (1):31-33. 

christopher c.k ho, zulkifli md zainuddin.  (2013).  clinicopathological features of bladder tumours in a single institution in malaysia.  - anz journal of surgery.  83(Suppl 1):100. 

christopher c.k. ho, salah abood salem, min hwei ng, ismail sagap, ruszymahhj idrus, zulkifli md zainuddin.  (2013).  polylactic-co-glycolic acidplga mesh coasted with fibrin or collagen and biological adhesive substance as a prefabricated, degradable, and biocompatible and functional scafford for regeneration of uri.  - anz journal of surgery.  83(Suppl. 1):50. 

fam xeng inn, farrah-hani imran, mohd faizal ali, rizuana ih, zulkifli z.  (2012).  penile augmentation with resultant foreign material granuloma and sequalae.  - malaysian journal of medical sciences.  19(4):82-84. 

gh tan, m azrif, as shamsul, cck ho, s praveen, eh goh, b bahadzor, f ismail, mz zulkifli.  (2012).  clinicopathological features and survival of testicular tumours in a southeast asian university hospital: a 10-year review.  - medical journal of malaysia.  67(2):241. 

cck ho, tw khor, p singam, eh goh, gh tan, b bahadzor, mz zulkifli.  (2012).  evaluation of power doppler ultrasonography for prostate biopsy in men with elevated serum prostate specific antigen levels.  - clinica terapeutica.  163(3):205-208. 

christopher c.k. ho, poh k, muhilan p, azad, h, goh e, praveen s, tan g, badrulhisham b, zulkifli m.  (2012).  a retrospective study of predictors of bone metastasis in prostate cancer.  - international journal of urology.  19: S362. 

keat seong poh, christopher chee kong ho, zulkifli md zainuddin.  (2012).  chronic ketamine abuse associated with cholestasis and cholangitis: a case report.  - urotoday international journal.  5(5):art 51. 

zainuddin, zm.  (2012).  update in hormonal replacement therapy.  - international journal of urology.  19(Supp.1):118. 

zainuddin, zm.  (2012).  oab in asian men.  - international journal of urology.  19(Supp.1):52. 

hans alexander mahendran, praveen singam, christopher ho, goh eng hong, tan guan hee, zulkifli md zainuddin.  (2012).  iatrogenic ureter injuries: eleven years experience in a tertiary hospital.  - medical journal of malaysia.  67(2):169-172. 

eng hong goh, akhavan adel, praveen singam, christopher chee kong ho, guan hee tan, badrulhisham bahadzor, zulkifli md zainuddin, isa mohamed rose.  (2012).  lymphoepithelioma-like carcinoma of the bladder: is the prognosis different from conventional bladder carcinoma?.  - urotoday international journal.  5(1):art 84.. 

christopher chee kong ho, teo chee yang, phang lay fang, nur aziyana noor azizi, farah lyna darwin, nur afifah mohd ghazi, guan hee tan, eng hong goh, praveen singam, badrulhisham bahadzor, zulkifli m.  (2012).  prevalence and risk factors associated with overactive bladder.  - urotoday international journal.  5(1). 

christopher c.k. ho, seng fah tong, wan yun low, chirk jenn ng, ee ming khoo, verna k.m. lee, zulkifli md zainuddin and hui meng tan.  (2012).  a randomized, double-blind, placebo-controlled trial on the effect of long-acting testosterone treatment as assessed by the aging male symptoms scale.  - bju international.  110(2):260-265. 

praveen singam, badrulhisham bahadzor, azlina abas, christopher ho, goh eng hong, tan guan hee, zulkifli zainuddin.  (2012).  re-validation of the vienna nomogram for trans-rectal ultrasound biopsy (trus) of prostate.  - medical journal of malaysia.  67(2):243. 

m.z. zulkifli, c.c.k. ho, e.h. goh, s. praveen, s. das.  (2012).  ureteric stone in the presence of existing backache: lessons to learn.  - clinica terapeutica.  163(1):23-25. 

christopher c.k. ho, seng fah tong, wah yun low, chirk jenn ng, ee ming khoo, verna k.m. lee, zulkifli md. zainuddin, hui meng tan.  (2012).  a randomised double blind placebo-controlled trial assessing quality of life via aging male symptoms (ams) scale after treatment with intramuscular long-acting testosterone.  - journal of sexual medicine.  9(suppl 2): 144. 

christopher ck ho, tan guan hee, goh eng hong, praveen singam, badrulhisham bahadzor, zulkifli md zainuddin.  (2012).  outcomes and safety of retrograde intra-renal surgery for renal stones less than 2 cm in size.  - nephro-urology monthly.  4(2):454-457. 

cck ho, b bahadzor, gh tan, goh p singam and mz zulkifli.  (2012).  overactive bladder in a tertiary centre - prevalence and assessment of risk factors.  - bju international.  109 (Supplement 4): 30-31. 

christopher c k ho, tan guan hee, goh eng hong, praveen singam, badrulhisham bahadzor, zulkifli md zainuddin.  (2012).  outcome and safety of retrograde intra-renal surgery for stones less than 2cm.  - medical journal of malaysia.  67(2):246. 

mohd h. dayang a, zulkifli m, tan h.  (2012).  a prospective, randomised controlled trial, comparing sutureless cyanoacrylate apposition with conventional sutured circumcision.  - international journal of urology.  19(S1):69. 

ng k l, ho c c k, sivaprakasam s, zainuddin zm, razack a h.  (2012).  outcome of acute scrotum cases in 2 large tertiary urological centres in kuala lumpur.  - medical journal of malaysia.  67(2):248. 

farina md. yusof, praveen singam, christopher ho, goh eng hong, lee boon cheok, zulkifli zainuddin.  (2011).  life-threatening haematuria from a ruptured renal artery aneurysm.  - anz journal of surgery.  81(3):199-200. 

christopher c.k ho, wan jasman jamaludin, eng hong goh, praveen singam, zulkifli md zainuddin.  (2011).  scrotal mass: a rare complication of ventriculoperitoneal shunt.  - acta medica (hradec králové).  54(2):81-82. 

christopher ck ho, praveen singam, goh eng hong and zulkifli md zainuddin.  (2011).  male sexual dysfunction in asia.  - asian journal of andrology.  13(4):537-542. 

christopher ck ho, hans alexander, praveen singam, lee boon cheok, zulkifli md zainuddin.  (2011).  iatrogenic bladder injury: a single institution`s ten-year experience in treatment and outcome 1999-2009, kuala lumpur, malaysia.  - colombia medica.  42(2): 215-218. 

c.c.k. ho, c. ho, e.h. goh, p. singam, g.h. tan, b. bahadzor, z. md zainuddin.  (2011).  prevalence and awareness of lower urinary tract symptoms among males in the outpatient clinics of university kebangsaan malaysia medical centre.  - journal of men`s health.  8(3):208. 

tan hm, tong sf, low wy, ng cj, khoo em, zainuddin zm, lee vkm.  (2011).  the effect of long acting testosterone treatment on aging male symtoms (ams) scale - a randomised double blind placebo control trial.  - european urology supplements.  10(2):129. 

suzana shahar, siti shafurah, nur suraiya abu hasan shaari, roslee rajikan, nor fadilah rajab, babak golkhalkhali, zulkifli md zainuddin.  (2011).  roles of diet, lifetime physical activity and oxidative dna damage in the occurrence of prostate cancer among men in klang valley, malaysia.  - asian pacific journal of cancer prevention.  12(3):605-611. 

eng hong goh, putera mas pian, praveen singam, christopher chee kong ho, guan hee tan, badrulhisham bahadzor, zulkifli md zainuddin.  (2011).  an unusual cause of acute scrotum in a 65-year-old man.  - urotoday international journal.  4(6):71-4. 

gh tan, m azrif, as shamsul, cck ho, s praveen, eh goh, b bahadzor, f ismail, mz zulkifli.  (2011).  clinicopathological features and survival of testicular tumours in a southeast asian university hospital: a ten-year review.  - asian pacific journal of cancer prevention.  12(10):2727-30. 

ho c, khor t, singam p, goh e, tan g, bahadzor b, zainuddin z.  (2011).  power doppler ultrasonography- directed prostate biopsy in men with elevated serum prostate specific antigen levels.  - urology.  78(suppl 3A):S301. 

ho cck, tong sf, low wy, ng cj, lee vkm, khoo em, zainuddin mz, tan hm.  (2011).  assessing quality of life via aging male symptoms (ams) scale after treatment with intramuscular long-acting testosterone.  - journal of sexual medicine.  8(suppl 5):403. 

eng hong goh, akhavan adel, praveen singam, christopher chee kong ho, guan hee tan, badrulhisham bahadzor, zulkifli md zainuddin, fauzah abdul ghani, noraidah masir.  (2011).  myeloid sarcoma of the bladder: case presentation and review of the literature.  - urotoday international journal.  4(5):1-5. 

eh goh, cck ho, p singam, gh tan, b bahadzor, z md zainuddin, s miwa, k shigehara, e koh, m namiki.  (2011).  "how do men handle their sexual of fertility illness?" - a preliminary comparison between men in two health institutions.  - journal of men`s health.  8(3):220. 

eh goh, cck ho, p singam, gh tan, b bahadzor, z md zainuddin, s miwa, k shigehara, e koh, m namiki.  (2011).  what are patients` reaction when being told "you have cancer"? a preliminary study comparing populations at two different institutions.  - journal of men`s health.  8(3):216. 

c.c.k. ho, s.f. tong, w.y. low, c.j. ng, e.m. khoo, v.k. lee, m.z. zulkifli, h.m. tan.  (2011).  assessment of quality of life via the aging male symptoms (ams) scale after treatment with intramuscular long-acting testosterone.  - journal of men`s health.  8(3): 226. 

cck ho, k-y ngoo, s praveen, e-h goh, and mz zulkifli.  (2011).  the usefulness of urinary bladder characteristics estimated by ultrasound as clinical predictors of acute urinary retention in men with benign prostatic hyperplasia.  - bju international.  107:7. 

christopher c.k. ho, noraini anuar, m.i. nurismah, praveen singam, goh eng hong, zulkifli md zainuddin.  (2011).  a rare case of renal and uterine clear cell carcinoma: which is the primary tumour?.  - central european journal of medicine.  6(2):247-249. 

em khoo, sf tong, wah yun low, bc lee, vkm lee, cj ng, z zulkifli, hm tan..  (2010).  health care utilization in men with erectile dysfunction: results of the subang aging male (sam) study.  - journal of sexual medicine.  7(suppl 2):106. 

ho c c k, hafidzul j, praveen s, goh e h, bong j j, lee b c, zulkifli m z.  (2010).  retrograde intrarenal surgery for renal stones smaller than 2 cm.  - singapore medical journal.  51(6):512-515. 

ch chee kong , i mohamed rose, p singam, g eng hong, l boon cheok and zm zainuddin.  (2010).  angiomyolipoma of the adrenal gland: a case report.  - iranian red crescent medical journal.  12(4):489-491. 

christopher chee kong ho, hafez pezhman, singam praveen, eng hong goh, boon cheok lee, md zainuddin zulkifli, mohamed rose isa.  (2010).  ketamine-associated ulcerative cystitis: a case report and literature review.  - malaysian journal of medical sciences.  61-65. 

christopher ho chee kong, praveen singam, goh eng hong, lee boon cheok, muhammad azrif, azmi mohd tamil, zulkifli md zainuddin.  (2010).  clinicopathological features of bladder tumours in a single institution in malaysia.  - asian pacific journal of cancer prevention.  11(1):149-152. 

c c k ho, k k krishna, s praveen, e h goh, b c lee, m z zulkifli.  (2010).  proptosis: a rare presentation of metastatic renal cell carcinoma.  - medical journal of malaysia.  65(3):58-59. 

goh eng hong, christopher ho chee kong, praveen singam, lee boon cheok, zulkifli md zainuddin, muhammad azrif.  (2010).  seven-year review of prostate carcinomas diagnosed by trus biopsy in a single malaysian institution.  - asian pacific journal of cancer prevention.  11(5):1351-1353. 

christopher c.k. ho, yugasaravanan khandasamy, praveen singam, eng hong goh and zulkifli m. zainuddin.  (2010).  encrusted and incarcerated urinary bladder catheter: what are the options?.  - libyan journal of medicine.  5:5686. 

cck ho, eh goh, s praveen, bc lee, mz zulkifli.  (2010).  periprostatic lidocaine infiltration versus transrectal lidocaine gel for local anaesthesia in transrectal ultrasound guided prostate biopsy.  - journal of men`s health.  7(3):294. 

a s salah, m h ng, m z zulkifli, c c k ho, s ismail and bhi ruszymah.  (2010).  different assessment modalities (radiography, urodynamic, ultrasonography) or the evaluation of urinary bladder reconstruction.  - medical journal of malaysia.  65(2) Supple B:34. 

sf tong, em khoo, wy low, bc lee, vkm lee, cj ng, z zukifli, hm tan.  (2010).  the health seeking behaviour of men with erectile dysfunction: results of the subang aging male (sam) study.  - journal of sexual medicine.  7(suppl 2):106. 

christopher ho chee kong, siti aishah md ali, praveen singam, goh eng hong, lee boon cheok, zulkifli md zainuddin.  (2010).  spontaneous bladder perforation: a rare complication of tuberculosis.  - international journal of infectious diseases.  14S: e250-e252. 

christopher ho chee kong, hans alexander, praveen singam, lee boon cheok, zulkifli md zainuddin.  (2010).  iatrogenic bladder injury: a single institution`s experience in treatment and outcome.  - international journal of urology.  17(Suppl 1):A328-A329. 

praveen singam, leny suriyani, christopher ho, goh eng, hong and zulkifli zainuddin.  (2010).  primary sclerosing lipogranuloma: an unusual scrotal mass.  - libyan journal of medicine.  5:5524. 

praveen singam, christopher ho, goh eng hong, azrif mohd, azmi md tamil, lee boon cheok, zulkifli zainuddin.  (2010).  clinical characteristics of renal cancer in malaysia : a ten year review.  - asian pacific journal of cancer prevention.  11(2): 503-6. 

hairulfaizi, m rohaizak, i naqiyah, m l yahya, gc tan, z zainuddin.  (2009).  breast and axillary lymph nodes metastasis five years after radical nephrectomy for renal cell carcinoma: a case report and review of the literature.  - libyan journal of medical.  4(3):120-122. 

mohd nizam subahir, shamsul azhar shah, zulkifli md zainuddin.  (2009).  risk factors for prostate cancer in universiti kebangsaan malaysia medical centre: a case-control study..  - asian pacific journal of cancer prevention.  10(6):1015-1019. 

christopher ho chee kong, zulkifli md zainuddin.  (2009).  alum irrigation for the treatment of intractable haematuria.  - malaysian journal of medical sciences.  16(4):66-68. 

christopher ho chee kong, m fadzli ibrahim, zulkifli md zainuddin.  (2009).  a prospective, randomized clinical trial comparing bipolar plasma kinetic resection of prostate versus conventional monopolar transurethral resection of prostate in the treatment of benign prostatic.  - annals of saudi medicine.  29(6):429-432. 

abdus salam, zulkifli zainuddin, azian abdul latiff, soon pheng ng, ima nirwana soelaiman, nabishah mohamad, norhayati moktar.  (2008).  assessment of medical graduates competencies.  - annals academy of medicine singapore.  37(9):814-816. 

c c k ho, m z zulkifli, j nazri, m sundram.  (2008).  hand-assisted laparoscopic nephrectomy and nephroureterectomy: our experience in hospital universiti kebangsaan malaysia.  - medical journal of malaysia.  63(1):41-43. 

e n neo, z zulkifli, s sritharan, b c lee, j nazri.  (2007).  renal autotransplantation after an iatrogenic left ureteric injury.  - medical journal of malaysia.  62(2):164-165. 

c c k ho, j nazri, m z zulkifli, s sritharan.  (2006).  metastatic penile cancer presenting as hypercalcemia and pathological fracture of the humerus: a rare event.  - medical journal of malaysia.  61(4):503-5. 

ky chan, mz zulkifli, mj nazri, mo rashid.  (2005).  a review of day care ureteroscopy of a teaching hospital in malaysia.  - medical journal of malaysia.  60(1):5-9.