Fawad Farooq, Nida Imran, and Mahwish Abbas. “Ivabradine Effects on Heart Rate and Quality of Life Among Chronic Heart Failure Patients”. Journal of the Pakistan Medical Association (November 11, 2020): 1–12. Accessed April 19, 2026. https://mail.jpma.org.pk/index.php/public_html/article/view/2043.