title: Standardization of allergen extracts.
abstract: A review of clinical and experimental data pertaining to the standardization of allergenic extracts is presented. Various problems facing practicing allergists are outlined: potency and stability of extracts the reactivity of the patient, in vitro and in vivo methods for assessing potency. Practical recommendations for allergists concerning allergenic extracts and their use are enumerated.
mesh_terms: D000485:Allergens / Q000592:standards*; D004306:Dose-Response Relationship, Immunologic; D006636:Histamine Release; D006801:Humans; D006967:Hypersensitivity / Q000628:therapy; D011058:Pollen / Q000276:immunology; D011309:Preservation, Biological; D011852:Radioallergosorbent Test; D011863:Radioimmunoassay; D012882:Skin Tests
chemical_list: D000485:Allergens