Future of the free thyroxine index.
D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*; D013975:Thyroxine-Binding Proteins / Q000032:analysis; D014284:Triiodothyronine / Q000097:blood
D013975:Thyroxine-Binding Proteins; D014284:Triiodothyronine; D013974:Thyroxine