Radioactive iodine; its use as a tool in studying thyroid physiology.
D006801:Humans; D007455:Iodine; D007457:Iodine Radioisotopes; D011868:Radioisotopes; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*
IODINE/radioactive; THYROID/physiology