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akmal sabarudin, tiong wei siong, ang wee chin, ng kwan hoong & muhammad khalis abdul karim.  (2019).  a comparison study of radiation effective dose in ecg-gated coronary ct angiography and calcium scoring examinations performed with a dual-source ct scanner.  - scientific report.  . 

s. hashim, m.k.a. karim, k.a. bakar, a. sabarudin, a.w chin, m.i. saripan, d.a. bradley.  (2016).  evaluation of organ doses and specific k effective dose of 64-slice ct thorax examination using an adult anthropomorphic phantom.  - radiation physics and chemistry.  14-20. 

akmal sabarudin, zhonghua sun, ahmad khairuddin md yusof.  (2013).  coronary ct angiography with single-source and dual-source ct: comparison of image quality and radiation dose between prospective ecg-triggered and retrospective ecg-gated protocols.  - international journal of cardiology.  168(2):746-753.