Batool, Safia, Jamal Waris, Muhammad Sajid, Shazia Nisar, Imran Khan, and Hina Mushtaq. “ROLE OF HEART RATE REDUCTION WITH IVABRADINE IN LEFT VENTRICULAR FAILURE”. PAFMJ 70, no. 6 (December 16, 2020): 1839-42. Accessed August 7, 2022. https://mail.pafmj.org/index.php/PAFMJ/article/view/4869.