Thyroxine in blood and tissues.
D000818:Animals; D006168:Guinea Pigs; D006801:Humans; D051381:Rats; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood* / Q000378:metabolism*; D013975:Thyroxine-Binding Proteins
D013975:Thyroxine-Binding Proteins; D013974:Thyroxine