title: In vivo anti-acetylcholine activity in the unanesthetized guinea pig.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors* / Q000633:toxicity; D000818:Animals; D001532:Atropa belladonna / Q000494:pharmacology; D001285:Atropine / Q000494:pharmacology; D003533:Cyproheptadine / Q000494:pharmacology; D006168:Guinea Pigs; D008722:Methods; D010276:Parasympatholytics / Q000494:pharmacology; D010946:Plants, Medicinal; D010947:Plants, Toxic; D012601:Scopolamine / Q000494:pharmacology
chemical_list: D010276:Parasympatholytics; D003533:Cyproheptadine; D001285:Atropine; D012601:Scopolamine; D000109:Acetylcholine