Malik, Abdul, Suhail Khan Bangash, Mian Iftikhar ul Haq, Muhammad Rehman, and Mussarat Hussain. 2011. “Atrial Fibrillation Following Coronary Artery Bypass Graft Surgery”. Journal of Postgraduate Medical Institute 20 (2). https://jpmi.org.pk/index.php/jpmi/article/view/1020.