title: Operative needle cholangiography.
mesh_terms: D001662:Biliary Tract Surgical Procedures; D002758:Cholangiography / Q000295:instrumentation; D002764:Cholecystitis / Q000601:surgery; D002908:Chronic Disease; D006801:Humans; D008722:Methods; D013523:Surgical Equipment; D013514:Surgical Procedures, Operative; D013594:Syringes