Jahan, WA, A Azam, S Deena, W Begum, and M Rahman. 2012. “Safety, Efficacy and Indications of ?-Blockers to Reduce Heart Rate Prior to Coronary CT Angiography-An Overview”. Cardiovascular Journal 5 (1):100-106. https://doi.org/10.3329/cardio.v5i1.12280.