title: High sensitivity thyrotrophin assays in patients with severe non-thyroidal illnesses: a first-line screening test.
mesh_terms: D000328:Adult; D000368:Aged; D015200:Fluoroimmunoassay; D006801:Humans; D008875:Middle Aged; D011863:Radioimmunoassay; D013959:Thyroid Diseases / Q000175:diagnosis*; D013960:Thyroid Function Tests / Q000379:methods*; D013972:Thyrotropin / Q000097:blood*; D013973:Thyrotropin-Releasing Hormone
chemical_list: D013973:Thyrotropin-Releasing Hormone; D013972:Thyrotropin