Operative cholangiography.
D000328:Adult; D001650:Bile Duct Neoplasms / Q000175:diagnosis; D001660:Biliary Tract Diseases / Q000175:diagnosis; D002758:Cholangiography; D005260:Female; D042882:Gallstones / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged