title: Electrophysiologic antagonism of quinidine and bretylium tosylate.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001949:Bretylium Compounds / Q000494:pharmacology*; D004336:Drug Antagonism; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006352:Heart Ventricles / Q000187:drug effects; D011802:Quinidine / Q000494:pharmacology; D011817:Rabbits; D013997:Time Factors
chemical_list: D001949:Bretylium Compounds; D011802:Quinidine