title: [Fundamental and clinical evaluation of a highly sensitive immunoradiometric assay kit (RIA-gnost TSH Ultrasensitive) for serum TSH].
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D011863:Radioimmunoassay; D011933:Reagent Kits, Diagnostic; D013972:Thyrotropin / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D013972:Thyrotropin