Rahman, Z., G. Paul, and A. Choudhury. “Ad-Hoc Percutaneous Coronary Intervention and Staged Percutaneous Coronary Intervention”. Mymensingh Medical Journal, vol. 20, no. 4, Oct. 2012, pp. 757-65, https://banglajol.info/index.php/MMJ/article/view/12429.