title: [Measurement of blood thyroxine (T4) levels by RIA-Mat T4].
mesh_terms: D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011863:Radioimmunoassay / Q000379:methods*; D013959:Thyroid Diseases / Q000097:blood; D013974:Thyroxine / Q000097:blood*
chemical_list: D013974:Thyroxine