title: Effects of acetylcholine on automaticity and conduction in the proximal portion of the His-Purkinje specialized conduction system of the dog.
mesh_terms: D000109:Acetylcholine / Q000008:administration & dosage / Q000494:pharmacology*; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects* / Q000502:physiology; D008297:Male; D008839:Microelectrodes; D011689:Purkinje Cells / Q000187:drug effects* / Q000502:physiology
chemical_list: D000109:Acetylcholine