title: [Measurement of free T4 in the blood by radioimmunoassay].
mesh_terms: D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D008297:Male; D011247:Pregnancy; D011863:Radioimmunoassay / Q000379:methods*; D011933:Reagent Kits, Diagnostic; D013974:Thyroxine / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D013974:Thyroxine