title: [Parasympathetic atrioventricular block and its electrocardiographic signs].
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D004558:Electric Stimulation; D004562:Electrocardiography; D006321:Heart / Q000294:innervation / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology*; D008297:Male; D051381:Rats; D014630:Vagus Nerve / Q000187:drug effects
chemical_list: D000109:Acetylcholine
vernacular_title: K voprosu o parasimpaticheskoĭ ateio-ventrukuliarnoĭ blokade i ee elektrokardiograficheskikh predvestnikakh