title: The effective thyroxine ratio as a test of thyroid function.
mesh_terms: D000328:Adult; D001667:Binding, Competitive; D003280:Contraceptives, Oral, Synthetic / Q000494:pharmacology; D004967:Estrogens / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D011485:Protein Binding; D012116:Resins, Plant; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood
chemical_list: D003280:Contraceptives, Oral, Synthetic; D004967:Estrogens; D012116:Resins, Plant; D014284:Triiodothyronine; D013974:Thyroxine