title: A study of extra-thyroidal neck radioactivity using a radioisotope scanner.
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D007456:Iodine Isotopes; D008722:Methods; D009333:Neck / Q000032:analysis*; D011874:Radiometry; D011877:Radionuclide Imaging; D013961:Thyroid Gland / Q000378:metabolism*
chemical_list: D007456:Iodine Isotopes