title: Allergy and the immune system.
authors.affiliation: Asthma and Allergy Center, Johns Hopkins University.
authors.forename: L M
authors.initials: LM
authors.lastname: Lichtenstein
mesh_terms: D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D007107:Immune System / Q000276:immunology*