title: [Quality control in radioimmunoassay-values and reproducibility of commercial control sera (author's transl)].
mesh_terms: D011786:Quality Control; D011863:Radioimmunoassay / Q000592:standards*; D011933:Reagent Kits, Diagnostic / Q000592:standards*; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood
chemical_list: D011933:Reagent Kits, Diagnostic; D013972:Thyrotropin; D013974:Thyroxine