title: Purified allergen extracts.
mesh_terms: D000485:Allergens / Q000276:immunology / Q000302:isolation & purification*; D003888:Desensitization, Immunologic; D003956:Dialysis; D004355:Drug Stability; D000939:Epitopes / Q000276:immunology; D006801:Humans; D010936:Plant Extracts / Q000276:immunology*; D011058:Pollen / Q000276:immunology
chemical_list: D000485:Allergens; D000939:Epitopes; D010936:Plant Extracts