title: Regulatory control and standardization of allergenic extracts. Foreword.
authors.affiliation: Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Langen, Germany.
authors.forename: Stefan
authors.initials: S
authors.lastname: Vieths
authors.forename: Johannes
authors.initials: J
authors.lastname: Löwer
mesh_terms: D000485:Allergens / Q000302:isolation & purification*; D001685:Biological Factors / Q000302:isolation & purification* / Q000592:standards*; D033161:Government Regulation; D006801:Humans; D012015:Reference Standards
chemical_list: D000485:Allergens; D001685:Biological Factors