title: Intrinsic innervation of the canine heart. Effects on conduction in the atrium, atrioventricular node, and proximal bundle branch.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001283:Atrioventricular Node / Q000502:physiology*; D002036:Bundle of His / Q000502:physiology*; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D006325:Heart Atria / Q000294:innervation; D006329:Heart Conduction System / Q000502:physiology*; D009200:Myocardial Contraction / Q000187:drug effects; D009538:Nicotine / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D013779:Tetrodotoxin; D009538:Nicotine; D000109:Acetylcholine