title: [Distinctive feature of the various radioimmunoassay kits for the measurement of free thyroxine: comparison of their standard solution].
mesh_terms: D006801:Humans; D011863:Radioimmunoassay / Q000379:methods*; D011933:Reagent Kits, Diagnostic / Q000592:standards*; D012016:Reference Values; D012996:Solutions; D013974:Thyroxine / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D012996:Solutions; D013974:Thyroxine