NAWAZ, S.; AHMED, A. R.; AHMED, Q. R. 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, [S. l.], v. 3, n. 1, 2011. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/334. Acesso em: 2 may. 2024.