title: Variation among insulin radioimmunoassay is mainly a matter of standardization.
mesh_terms: D006801:Humans; D007328:Insulin / Q000097:blood* / Q000592:standards; D011863:Radioimmunoassay / Q000592:standards; D011933:Reagent Kits, Diagnostic
chemical_list: D007328:Insulin; D011933:Reagent Kits, Diagnostic