title: Regulatory control and standardization of allergenic extracts: introduction to the program.
authors.forename: A M
authors.initials: AM
authors.lastname: Kroon
mesh_terms: D000485:Allergens / Q000592:standards*; D005060:Europe; D006801:Humans; D007880:Legislation, Drug; D011786:Quality Control; D014481:United States
chemical_list: D000485:Allergens