Nawaz S, Ahmed AR, Ahmed QR. A Study of Bronchoconstrictng Effect of Non Selective Beta Adrenergic Blocking Agent on Isolated Respiratory Smooth Muscle of Guinea-pig. J Postgrad Med Inst [Internet]. 2011 Aug. 19 [cited 2024 May 3];3(1). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/334