title: Visualization of filling defects in a liver phantom containing Tc99m, Hg197, I-131, or Au198 using a rectilinear scanner or scintillation camera.
mesh_terms: D006049:Gold Isotopes; D007456:Iodine Isotopes; D008099:Liver; D008629:Mercury Isotopes; D011877:Radionuclide Imaging; D013667:Technetium; D013679:Technology, Radiologic
chemical_list: D006049:Gold Isotopes; D007456:Iodine Isotopes; D008629:Mercury Isotopes; D013667:Technetium