title: [Determination of free thyroxine by radioimmunoassay-comparison of free T4 values by different free T4 kits (author's transl)].
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011863:Radioimmunoassay / Q000379:methods*; D011933:Reagent Kits, Diagnostic; D013959:Thyroid Diseases / Q000097:blood; D013974:Thyroxine / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D013974:Thyroxine