Ahmad, I., Z. Niaz, S. U. Mumtaz, T. Komal, I. Waheed, and S. Abaidullah. “Comparison of Carvedilol and Propranolol in the Treatment of Portal Hypertension in Cirrhosis”. Annals of King Edward Medical University, vol. 24, no. 4, Jan. 2019, https://annalskemu.org/journal/index.php/annals/article/view/2654.