isa azzaki zainal, thean yean kew, hairol azrin othman.  (2022).  retrospective analysis of the sonographic and computed tomographic features of gallbladder empyema.  - emergency radiology.  281-289. 

mohd zulkimi roslly, aida widure mustapha mohd mustapha, isa azzaki zainal.  (2021).  gastrocnemius acrometastasis from muscle-invasive urothelial bladder carcinoma: a case report.  - radiology case reports.  2099-2102. 

muhammad aminuddin ashari, isa azzaki zainal, faizah mohd zaki.  (2020).  strategies for radiology departments in handling the covid-19 pandemic.  - diagnostic and interventional radiology.  296-300. 

boon hau ng, nik nuratiqah nik abeed, andrea ban yu-lin, mohamed faisal abdul hamid, chun ian soo, najma kori, shahizon azura mohamed mukari, isa azzaki zainal, lydia kamaruzaman, muhammad yusuf abu shamsi, halim gafor, norlaila mustafa, wan nur nafisah w.  (2020).  lung computed tomography patterns of a cluster of asymptomatic young males with covid-19 admitted to a teaching hospital in kuala lumpur.  - medical journal of malaysia.  368-371.