title: Subtraction scanning of liver metastases with 67Ga and 99mTc.
mesh_terms: D003936:Diagnosis, Computer-Assisted; D005710:Gallium Radioisotopes; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis*; D009362:Neoplasm Metastasis; D011877:Radionuclide Imaging / Q000379:methods*; D013667:Technetium
chemical_list: D005710:Gallium Radioisotopes; D013667:Technetium