title: Standardization and efficacy of allergen extracts.
mesh_terms: D000485:Allergens; D003888:Desensitization, Immunologic; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000276:immunology / Q000628:therapy*; D007880:Legislation, Drug; D010936:Plant Extracts; D011058:Pollen; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000485:Allergens; D010936:Plant Extracts