Nawaz, S., Ahmed, A. R. and Ahmed, Q. R. (2011) “A Study of Bronchoconstrictng Effect of Non Selective Beta Adrenergic Blocking Agent on Isolated Respiratory Smooth Muscle of Guinea-pig”, Journal of Postgraduate Medical Institute, 3(1). Available at: https://www.jpmi.org.pk/index.php/jpmi/article/view/334 (Accessed: 16 May 2024).