title: Anticholinergic effects of pirenzepine on the guinea-pig isolated atrium.
mesh_terms: D000818:Animals; D001569:Benzodiazepines / Q000494:pharmacology*; D002217:Carbachol / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects*; D008297:Male; D010276:Parasympatholytics; D010879:Piperazines / Q000494:pharmacology*
chemical_list: D010276:Parasympatholytics; D010879:Piperazines; D001569:Benzodiazepines; D002217:Carbachol