[Effects of propranolol on the spontaneous activity of the isolated cardiac muscle].
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology*
D011433:Propranolol; D007545:Isoproterenol; D004837:Epinephrine