title: The vagus and the heart revisited.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D004553:Electric Conductivity; D006321:Heart / Q000187:drug effects / Q000294:innervation / Q000502:physiology*; D009200:Myocardial Contraction; D014630:Vagus Nerve / Q000187:drug effects / Q000502:physiology*
chemical_list: D000109:Acetylcholine