title: Muscarinic antagonism of intrinsic cardiac neural activity.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D003714:Denervation; D004285:Dogs; D006321:Heart / Q000187:drug effects / Q000294:innervation*; D006339:Heart Rate / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects; D010277:Parasympathomimetics / Q000494:pharmacology*; D013268:Stimulation, Chemical; D013779:Tetrodotoxin / Q000494:pharmacology; D014628:Vagotomy
chemical_list: D010277:Parasympathomimetics; D013779:Tetrodotoxin; D001285:Atropine