title: Subtraction technique for the detection of subphrenic abscesses using 67Ga and 99mTc.
mesh_terms: D005708:Gallium; D006801:Humans; D007089:Image Enhancement; D008722:Methods; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013369:Subphrenic Abscess / Q000175:diagnosis*; D013667:Technetium
chemical_list: D011868:Radioisotopes; D013667:Technetium; D005708:Gallium