Saleem, Imran, Abdul Sattar, Hafiz Abdul Mannan, and Shamila Afshan. 2019. “Prevalence of Coronary Artery Disease in Patients With Symptomatic Conduction Blocks Requiring Permanent Pacemaker Implantation”. Journal of Fatima Jinnah Medical University 12 (3). https://jfjmu.com/index.php/ojs/article/view/332.