title: A simple measure to prevent backward slippage of stones into the intrahepatic ducts during exploration of the common bile duct.
mesh_terms: D001653:Bile Ducts, Intrahepatic / Q000000981:diagnostic imaging / Q000503:physiopathology*; D002780:Cholestasis, Intrahepatic / Q000000981:diagnostic imaging / Q000517:prevention & control; D042882:Gallstones / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008722:Methods; D011859:Radiography