title: Standardization of steroid hormone assays.
authors.affiliation: Wolfson EQA Laboratory, Institute for Research & Development, Birmingham, UK.
authors.forename: J
authors.initials: J
authors.lastname: Middle
mesh_terms: D019963:Clinical Chemistry Tests / Q000592:standards*; D004958:Estradiol / Q000032:analysis*; D006801:Humans; D012015:Reference Standards
chemical_list: D004958:Estradiol