title: [Effects of non-uniform attenuators on cardiac single photon emission computerized tomography--simulation experiments].
mesh_terms: D004562:Electrocardiography; D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D008955:Models, Cardiovascular; D013667:Technetium; D014055:Tomography, Emission-Computed
chemical_list: D013667:Technetium