Biliary endoscopy: an appraisal of its value in biliary lithiasis.
D002758:Cholangiography; D002761:Cholangitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D019723:Endoscopes; D004724:Endoscopy; D042882:Gallstones / Q000175:diagnosis*; D006801:Humans; D008722:Methods