title: [Measurement of the effective refractory period of ventricular fibers of the rat heart in situ under normal sinus rhythm].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D008297:Male; D009431:Neural Conduction / Q000187:drug effects; D011802:Quinidine / Q000494:pharmacology; D051381:Rats; D012032:Refractory Period, Electrophysiological / Q000187:drug effects
chemical_list: D011802:Quinidine