title: Glucagon-induced choledochal sphincter relaxation: aid for expulsion of impacted calculi into the duodenum.
mesh_terms: D003135:Common Bile Duct / Q000187:drug effects*; D042882:Gallstones / Q000000981:diagnostic imaging / Q000628:therapy*; D005934:Glucagon / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction / Q000187:drug effects*; D009126:Muscle Relaxation / Q000187:drug effects*; D011859:Radiography
chemical_list: D005934:Glucagon