Allergy and infection. II. Cause and effect relationships.
D000293:Adolescent; D000485:Allergens; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007239:Infections / Q000150:complications*; D009812:Odorants; D010817:Physician-Patient Relations; D012130:Respiratory Hypersensitivity / Q000209:etiology*
D000485:Allergens