1. Beta 2 adrenoceptor blocking activity of penbutolol and propranolol at very low doses;Kulkarni R. D.;Clin. Pharmacol. Ther.,1977
2. Comparative beta‐adrenoceptor blocking effects and pharmacokinetics of penbutolol and propranolol in man;Guidicelli J. F.;Brit. J. clin. Pharmacol.,1977
3. Isoproterenol blockade in man: Comparison between penbutolol and acebutolol;Coleman A. J.;Curr. ther. Res.,1974
4. A pilot study of once‐daily penbutolol in hypertension;Sainani G. S.;Pharmatheraputica,1977
5. Penbutolol in hypertension: A pilot study with single doses;Yajnik V. H.;J. int. med. Res.,1977