title: Letter: Tests of thyroid function.
mesh_terms: D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis; D007457:Iodine Radioisotopes; D011485:Protein Binding; D013960:Thyroid Function Tests / Q000379:methods*; D013972:Thyrotropin / Q000097:blood; D013973:Thyrotropin-Releasing Hormone; D013974:Thyroxine / Q000097:blood
chemical_list: D007457:Iodine Radioisotopes; D013973:Thyrotropin-Releasing Hormone; D013972:Thyrotropin; D013974:Thyroxine