title: Correspondence re commercially available allergoid products for birch pollen immunotherapy.
authors.forename: M
authors.initials: M
authors.lastname: Casanovas
authors.forename: J
authors.initials: J
authors.lastname: Carnés
authors.forename: R K
authors.initials: RK
authors.lastname: Gieseler
mesh_terms: D000080384:Allergoids; D029662:Betula / Q000276:immunology*; D006801:Humans; D006967:Hypersensitivity / Q000188:drug therapy*; D007167:Immunotherapy; D010936:Plant Extracts / Q000627:therapeutic use*; D011058:Pollen / Q000276:immunology*
chemical_list: D000080384:Allergoids; D010936:Plant Extracts