title: Relative sensitivity of the canine sinus node and atrioventricular node to acetylcholine.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000758:Anesthesia; D000818:Animals; D001283:Atrioventricular Node / Q000187:drug effects*; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D012849:Sinoatrial Node / Q000187:drug effects*
chemical_list: D000109:Acetylcholine