The determination of thyroxine levels in human plasma by double isotope-dilution technique.
D006801:Humans; D007554:Isotopes; D011865:Radioisotope Dilution Technique; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*
D007554:Isotopes; D013974:Thyroxine
THYROXIN/blood