Thyroid suppression testing.
D006801:Humans; D007457:Iodine Radioisotopes; D008722:Methods; D013960:Thyroid Function Tests; D013974:Thyroxine; D014284:Triiodothyronine
D007457:Iodine Radioisotopes; D014284:Triiodothyronine; D013974:Thyroxine