title: The biological unit in the proposed, revised Nordic Guidelines.
authors.forename: I
authors.initials: I
authors.lastname: Sjöholm
mesh_terms: D000485:Allergens / Q000008:administration & dosage / Q000592:standards*; D006801:Humans; D007055:Iceland; D011786:Quality Control; D012537:Scandinavian and Nordic Countries; D012882:Skin Tests / Q000592:standards*
chemical_list: D000485:Allergens