title: Allergy units: experiences in allergenic extract standardization.
authors.affiliation: Haarlems Allergenen Laboratorium, The Netherlands.
authors.forename: G T
authors.initials: GT
authors.lastname: Hoek
mesh_terms: D000485:Allergens / Q000302:isolation & purification*; D006801:Humans; D007428:Intradermal Tests / Q000592:standards; D009426:Netherlands; D012015:Reference Standards; D012882:Skin Tests / Q000592:standards
chemical_list: D000485:Allergens