UzmaGul,AsimJaved,MuhammadAbdusSalamAzad,QaiserKhan, Uzma.G. J.A.S. A. K. “Coronary Artery Disease in Rheumatic and Non-Rheumatic Valvular Heart Disease”. Journal of Rawalpindi Medical College, vol. 22, no. 4, Dec. 2018, https://www.journalrmc.com/index.php/JRMC/article/view/949.