Thyroid function tests.
D006801:Humans; D007457:Iodine Radioisotopes; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
D007457:Iodine Radioisotopes; D014284:Triiodothyronine; D013974:Thyroxine