title: Urinary triiodothyronine and thyroxine, and their relationship to the serum free levels.
mesh_terms: D002850:Chromatography, Gel; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011863:Radioimmunoassay; D013974:Thyroxine / Q000097:blood / Q000652:urine*; D014284:Triiodothyronine / Q000097:blood / Q000652:urine*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine