title: Pre-seasonal local nasal desensitization in hay fever.
mesh_terms: D000293:Adolescent; D000391:Air Microbiology; D000403:Airway Resistance / Q000187:drug effects; D000485:Allergens / Q000494:pharmacology; D002648:Child; D003888:Desensitization, Immunologic; D005260:Female; D006801:Humans; D008297:Male; D009666:Nose; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000517:prevention & control*; D012621:Seasons; D012882:Skin Tests
chemical_list: D000485:Allergens