title: On the question of vagal tone in monkeys (Macaca mulatta).
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004562:Electrocardiography; D000882:Haplorhini / Q000502:physiology*; D006321:Heart / Q000294:innervation*; D006339:Heart Rate / Q000187:drug effects; D008251:Macaca / Q000502:physiology; D011674:Pulse; D013686:Telemetry; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D001285:Atropine