title: The "effective thyroxine ratio" in the assessment of thyroid function.
mesh_terms: D003276:Contraceptives, Oral / Q000097:blood; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D011247:Pregnancy; D011485:Protein Binding; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*; D013975:Thyroxine-Binding Proteins / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
chemical_list: D003276:Contraceptives, Oral; D013975:Thyroxine-Binding Proteins; D014284:Triiodothyronine; D013974:Thyroxine