title: The plain radiograph in oral cholecystography: should it be abandoned?
mesh_terms: D000328:Adult; D000368:Aged; D002765:Cholecystography / Q000379:methods; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D006801:Humans; D007480:Iopanoic Acid; D008875:Middle Aged
chemical_list: D007480:Iopanoic Acid