c y chong, mohd zaki faizah, erica yee hing, niik farhan nik fuad, jia ning chai, chen fei ng, abd hamid hamzaini.  (2022).  sonographic evaluation of normal diaphragmatic thickness and excursion in malaysia paediatric population: a single-institution cross-sectional study.  - medical journal of malaysia.  661-668. 

yeat cm, nik farhan nik fuad, shahizon azura mohamed mukari.  (2022).  an unusual presentation of gross hydrocephalus with chronic sah in a rare case of infantile pica aneurysm.  - malaysian congress of radiology.  1. 

leong yuh yang, kanaheswari a/p yoganathan, faizah mohd zaki, erica yee hing, nik azuan nik ismail, nik farhan nik fuad, hamzaini abdul hamid.  (2020).  sonographic nomogram of paediatric renal size in pusat perubatan universiti kebangsaan malaysia (ppukm).  - medical journal of malaysia.  130-135. 

khairul najmi muhammad nawawi, azlan helmy abd samat, nik farhan nik fuad, lim li yi.  (2020).  pneumatosis intestinalis: an important radiological clue in a case of missed perforated appendicitis.  - turkish journal of emergency medicine.  86-89. 

shee kiang t, meng hsien y, othmaliza o, safinaz mk, malisa a, nik farhan nf.  (2019).  ocular tilt reaction with internuclear ophthalmoplegia and multiple cranial nerve palsies.  - minggu penyelidikan perubatan & kesihatan ke-21.  16.