title: Cholangiography vs extraductal palpation.
mesh_terms: D001652:Bile Ducts; D002758:Cholangiography; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000601:surgery*; D042882:Gallstones / Q000175:diagnosis*; D006801:Humans; D010173:Palpation