title: Endoscopic papillotomy in the high-risk and aging patient with biliary tract disease.
mesh_terms: D000367:Age Factors; D002760:Cholangiopancreatography, Endoscopic Retrograde; D042882:Gallstones / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D012306:Risk