title: [Sphincterotomy and action of morphine on the sphincter of the hepatopancreatic ampulla].
mesh_terms: D014670:Ampulla of Vater / Q000187:drug effects* / Q000601:surgery; D002758:Cholangiography; D003135:Common Bile Duct / Q000187:drug effects; D006801:Humans; D009020:Morphine / Q000494:pharmacology*
chemical_list: D009020:Morphine
vernacular_title: Sfinkterotomia a działanie morfiny na zwieracz bańki watrobowo-trustkowej.