title: Emission computed tomography.
mesh_terms: D007089:Image Enhancement / Q000379:methods; D007457:Iodine Radioisotopes; D011868:Radioisotopes; D011877:Radionuclide Imaging / Q000379:methods; D012588:Scintillation Counting; D013667:Technetium; D013679:Technology, Radiologic; D013793:Thallium; D014054:Tomography / Q000295:instrumentation / Q000379:methods*
chemical_list: D007457:Iodine Radioisotopes; D011868:Radioisotopes; D013667:Technetium; D013793:Thallium