Kundi, A., and A. J. Tajik. “Hemodynamic Evaluation of Rheumatic Valvular Disease With Doppler Echocardiography”. Pakistan Heart Journal 21, no. 3 (September 4, 2012). Accessed November 24, 2024. https://pakheartjournal1.pcs.org.pk/index.php/pk/article/view/325.