Direct measurement of thyroxine in serum by radio immunoassay.
D000818:Animals; D006801:Humans; D007457:Iodine Radioisotopes; D011817:Rabbits / Q000276:immunology; D011863:Radioimmunoassay; D013959:Thyroid Diseases / Q000097:blood*; D013974:Thyroxine / Q000097:blood*
D007457:Iodine Radioisotopes; D013974:Thyroxine