Free thyroxine and triiodothyronine.
D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D013974:Thyroxine / Q000097:blood* / Q000502:physiology; D014284:Triiodothyronine / Q000097:blood* / Q000502:physiology
D014284:Triiodothyronine; D013974:Thyroxine