title: The "effective thyroxine ratio"--new in vitro test of thyroid function and its correlation with free thyroxine.
mesh_terms: D002854:Chromatography, Paper; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D007457:Iodine Radioisotopes; D008297:Male; D008722:Methods; D011247:Pregnancy; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*
chemical_list: D007457:Iodine Radioisotopes; D013974:Thyroxine