title: A technique for the absolute measurement of activity using a gamma camera and computer.
mesh_terms: D003936:Diagnosis, Computer-Assisted; D005720:Gamma Rays; D006801:Humans; D008099:Liver / Q000000981:diagnostic imaging*; D008961:Models, Structural; D011877:Radionuclide Imaging / Q000379:methods*; D013667:Technetium
chemical_list: D013667:Technetium