title: Retention ratio image: a useful parametric image for detecting intrahepatic lithiasis.
mesh_terms: D002137:Calculi / Q000000981:diagnostic imaging*; D006801:Humans; D007098:Imino Acids; D008099:Liver / Q000000981:diagnostic imaging; D008107:Liver Diseases / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013667:Technetium; D019780:Technetium Tc 99m Lidofenin; D013679:Technology, Radiologic
chemical_list: D007098:Imino Acids; D019780:Technetium Tc 99m Lidofenin; D013667:Technetium