Free thyroxine in serum in relation to thyroid function.
D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D008297:Male; D011247:Pregnancy; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*; D013974:Thyroxine / Q000097:blood*; D013975:Thyroxine-Binding Proteins / Q000032:analysis
D013975:Thyroxine-Binding Proteins; D013974:Thyroxine