title: THE CHRONOTROPIC ACTION OF SEROTONIN STUDIED BY DIRECT PERFUSION OF THE SINUS NODE.
mesh_terms: D000818:Animals; D001285:Atropine; D001919:Bradycardia; D004285:Dogs; D006329:Heart Conduction System; D006339:Heart Rate; D009638:Norepinephrine; D010477:Perfusion; D010600:Pharmacology; D012106:Research; D012701:Serotonin; D012849:Sinoatrial Node; D013233:Stellate Ganglion
chemical_list: D012701:Serotonin; D001285:Atropine; D009638:Norepinephrine
keywords: ATROPINE; BRADYCARDIA; DOGS; EXPERIMENTAL LAB STUDY; HEART CONDUCTION SYSTEM; HEART RATE; NOREPINEPHRINE; PERFUSION; PHARMACOLOGY; SEROTONIN; SINO-ATRIAL NODE; STELLATE GANGLION