CHUGHTAT, R S, S HASSAN, N A MALIK, and J I CHAUDHRY. 2017. “The Adrenergic Blocking Activity of Pure Beta Blockers in Comparison With Labetalol (α and β Blockers)”. Annals of King Edward Medical University 6 (1). https://doi.org/10.21649/akemu.v6i1.1990.