title: [Comparative evaluation of direct and indirect radioisotope determination of the indicators of free thyroxine in the blood serum in vitro].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007457:Iodine Radioisotopes; D008875:Middle Aged; D013959:Thyroid Diseases / Q000097:blood*; D013960:Thyroid Function Tests / Q000295:instrumentation / Q000379:methods*; D013974:Thyroxine / Q000097:blood*
chemical_list: D007457:Iodine Radioisotopes; D013974:Thyroxine
vernacular_title: Sravnitel'naia otsenka priamogo i kosvennogo radioizotopnogo opredeleniia pokazateleĭ svobodnogo tiroksina v syvorotke krovi in vitro