Coltart, D J The effect of propranolol on the human and canine transmembrane action potential. [electronic resource] - British journal of pharmacology Sep 1970 - 148P-149P p. digital Publication Type: Journal Article ISSN: 0007-1188 Subjects--Topical Terms: Action Potentials--drug effectsAnimalsDogsHeart--drug effectsHeart Ventricles--drug effectsHumansIn Vitro TechniquesPropranolol--pharmacology