title: Comparison of cholangiography and ultrasonography in the operative screening of the common bile duct.
mesh_terms: D001662:Biliary Tract Surgical Procedures; D002758:Cholangiography; D005069:Evaluation Studies as Topic; D042882:Gallstones / Q000175:diagnosis*; D006801:Humans; D007430:Intraoperative Care; D014463:Ultrasonography