title: The determination of relative renal function by optical densitometry.
mesh_terms: D000328:Adult; D003201:Computers; D003720:Densitometry / Q000379:methods*; D006801:Humans; D007465:Iodohippuric Acid; D007668:Kidney / Q000000981:diagnostic imaging*; D007677:Kidney Function Tests / Q000379:methods; D010781:Photography; D011877:Radionuclide Imaging
chemical_list: D007465:Iodohippuric Acid