Muhammad Zahid Ali Raza, Aamir Siddique, Shaoib Ahmed Zia, Tayyab Mohyuddin, Arslan Aslam Chahudhary, Faiza Altaf (2023) “Comparative Study of Beta-Blockers Versus Calcium Channel Blockers in the Management of Stable Angina in Elderly Patients”, Pakistan Journal of Medical & Health Sciences, 17(08), p. 172. doi: 10.53350/pjmhs2023178172.