title: Overview: biological standardization in Europe and the USA.
authors.affiliation: ALK-Abelló A.S. Bøge Allé 6-8 DK-2970 Hørsholm.
authors.forename: Henning
authors.initials: H
authors.lastname: Løwenstein
mesh_terms: D000485:Allergens / Q000627:therapeutic use*; D001688:Biological Products / Q000592:standards*; D005060:Europe; D006801:Humans; D006967:Hypersensitivity / Q000628:therapy*; D011786:Quality Control; D012015:Reference Standards; D014481:United States
chemical_list: D000485:Allergens; D001688:Biological Products