title: Effect of atropine on the heart beat in persons differing in the reactivity of their nervous system.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000150:complications; D001283:Atrioventricular Node / Q000187:drug effects; D001285:Atropine / Q000009:adverse effects / Q000494:pharmacology*; D001341:Autonomic Nervous System; D004562:Electrocardiography; D006329:Heart Conduction System / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D008297:Male; D009422:Nervous System Diseases / Q000150:complications; D009424:Nervous System Physiological Phenomena
chemical_list: D001285:Atropine