Operative cholangiography.
D000100:Acetrizoic Acid; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D001706:Biopsy; D002758:Cholangiography; D002763:Cholecystectomy; D003135:Common Bile Duct / Q000473:pathology; D003287:Contrast Media; D042882:Gallstones / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008722:Methods; D013679:Technology, Radiologic
D003287:Contrast Media; D000100:Acetrizoic Acid