title: [Use of a metal ball in operative cholangiography].
mesh_terms: D002758:Cholangiography / Q000295:instrumentation*; D003135:Common Bile Duct / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008670:Metals
chemical_list: D008670:Metals
vernacular_title: Ispol'zovanie metallicheskogo sharika pri operatsionnoĭ kholangiografii.