title: Method for reducing extrathyroidal neck radioactivity: use of a special collimated scintillation detector.
mesh_terms: D006801:Humans; D007455:Iodine / Q000378:metabolism; D007456:Iodine Isotopes; D008722:Methods; D009333:Neck; D011874:Radiometry / Q000295:instrumentation*; D013667:Technetium / Q000378:metabolism; D013961:Thyroid Gland / Q000378:metabolism
chemical_list: D007456:Iodine Isotopes; D013667:Technetium; D007455:Iodine