title: The 4-day cholecystographic test.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D002765:Cholecystography / Q000379:methods*; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D042882:Gallstones / Q000000981:diagnostic imaging*; D006801:Humans; D007480:Iopanoic Acid / Q000008:administration & dosage / Q000009:adverse effects; D013997:Time Factors
chemical_list: D007480:Iopanoic Acid