title: A new in-vitro blood test for determining thyroid status: the effective thyroxine ratio.
mesh_terms: D002852:Chromatography, Ion Exchange; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D007457:Iodine Radioisotopes; D008433:Mathematics; D008722:Methods; D011247:Pregnancy; D011869:Radioligand Assay; D013974:Thyroxine / Q000097:blood*; D013975:Thyroxine-Binding Proteins
chemical_list: D007457:Iodine Radioisotopes; D013975:Thyroxine-Binding Proteins; D013974:Thyroxine