title: [Double contrast study of the bile duct (author's transl)].
mesh_terms: D000368:Aged; D001466:Barium Sulfate; D001650:Bile Duct Neoplasms / Q000000981:diagnostic imaging; D002758:Cholangiography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013679:Technology, Radiologic
chemical_list: D001466:Barium Sulfate