title: Operative cholangiography. Technical aids and catheter evaluation.
mesh_terms: D001653:Bile Ducts, Intrahepatic / Q000000981:diagnostic imaging; D002404:Catheterization / Q000295:instrumentation; D002758:Cholangiography; D003135:Common Bile Duct / Q000000981:diagnostic imaging; D006500:Hepatic Duct, Common / Q000000981:diagnostic imaging; D006801:Humans; D008722:Methods; D009339:Needles; D013514:Surgical Procedures, Operative