title: Method for evaluating spasmolytic activity of drugs on the bile duct.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001464:Barium / Q000494:pharmacology; D001652:Bile Ducts / Q000187:drug effects*; D002217:Carbachol / Q000494:pharmacology; D004386:Duodenum / Q000601:surgery; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology; D009132:Muscles / Q000494:pharmacology*; D010208:Papaverine / Q000494:pharmacology; D010276:Parasympatholytics / Q000494:pharmacology*; D010277:Parasympathomimetics / Q000494:pharmacology; D011743:Pyrimidines / Q000494:pharmacology
chemical_list: D010276:Parasympatholytics; D010277:Parasympathomimetics; D011743:Pyrimidines; D001464:Barium; D009020:Morphine; D001285:Atropine; D002217:Carbachol; D010208:Papaverine