ubashini vijakumaran, muhammad dain yazid, mohd ramzisham abdul rahman, hairulfaizi haron, nur ayub md ali, muhammad ishamuddin ismail, nadiah sulaiman.  (2022).  hydroxytyrosol: in vitro study on its feasibility and efficacy in attenuating intimal hyperplasia progression.  - tissue engineering part a.  825. 

loo guo hou, hafiz ismail, muhammad ishamuddin ismail, nur ayub md ali, mohd ramzisham abdul rahman, hairulfaizi haron.  (2021).  incidental finding of congenital pericardial defect during vats bullectomy. tips and tricks to avoid blunder.  - annals of medicine and surgery.  1-19. 

boon hau ng, andrea ban yu-lin, nik nuratiqah nik abeed, mohamed faisal abdul hamid, hsueh jing low, hairulfaizi haron, muhammad ishamuddin ismail, mohd ramzisham abdul rahman.  (2021).  thoracic endometriosis diagnosed with the aid of the pleuroscopy.  - respirology.  77. 

nur ayub ma, suriati ms, muhammad ishamuddin i, hairulfaizi h, fahmi pa, mohamad arif mn, mohd ramzisham ar, mohd rizal am, katijjahbe ma.  (2021).  trajectory of change in erectile dysfunction symptoms following coronary artery bypass surgery in malaysian population.  - iium medical journal malaysia.  45-51. 

mohamad farhan mohamad yusoff, hairulfaizi haron, wan omar wan daud, deven aragena, muhammad ishamuddin ismail ,nur ayub md ali, mohd ramzisham abdul rahman.  (2020).  sinister tuberculous broncho-pleural cutaneous fistula: simple technique for a complex phenomenon.  - surgical chronicles.  50-51. 

muhamad hud bin muhamad zin, hairulfaizi haron, muhammad ishamuddin, mohd ramzisham abdul rahman, mohd fikri abdullah.  (2020).  spontaneous hemothorax: a rare presentation of costal exostosis.  - gazi medical journal.  135-137. 

mayurran p., nur ayub a., ishamuddin i., hairulfaizi h., mf che ani., mohd ramzisham ar..  (2019).  diagnosis of foreign body (fb) aspiration following road traffic accident - an accidental event or incidental finding?.  - surgical chronicles.  85-87. 

mohd firdaus c.a., guhan m., ahmad muhsin m.n., nur ayub m.a., hairulfaizi h., muhammad ishamuddin i., mohd ramzisham a.r..  (2016).  desmoid-type fibromatosis of the anterior chest wall; the first rare case in malaysia.  - surgical chronicles.  102-103. 

hairulfaizi haron, mohd nursharmizam baharudin, ishamudin ismail, khairulamir zainuddin, mohd ramzisham abdul rahman.  (2014).  chest tube entrapment: a simple solution for technical error.  - annals of thoracic surgery.  97(6):2166-2167. 

fy chai, im ishamuddin, h hairulfaizi, sm joanna, arm ramzisham.  (2012).  carotid revascularization in patient with asymptomatic unilateral carotid stenosis undergoing coronary bypass - a futile effort!.  - clinica terapeutica.  163(2):125-127. 

im ishamuddin, dm zamrin, osm joanna, arm ramzisham, h hairolfaizi.  (2011).  off-pump coronary artery bypass graft surgery in patients with left main stem disease.  - clinica terapeutica.  162(6):527-531. 

i.n.izham, d.m. zamrin, o.s.m. joanna, a.r.m. ramzisham, h. hairolfaizi, i.m. ishamuddin, m. oteh.  (2011).  myocardial ischaemic time and its relation with left ventricular ejection fraction after single valve replacement.  - clinica terapeutica.  162(6):521-525.