title: Selective in situ parasympathetic control of the canine sinoatrial and atrioventricular nodes.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004285:Dogs; D004558:Electric Stimulation; D005725:Ganglia, Autonomic / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects / Q000502:physiology*; D006339:Heart Rate; D008012:Lidocaine / Q000494:pharmacology; D010275:Parasympathetic Nervous System / Q000502:physiology*; D012849:Sinoatrial Node / Q000187:drug effects / Q000502:physiology; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D001285:Atropine; D008012:Lidocaine