title: Allergy primer.
authors.affiliation: Department of Otolaryngology-Head and Neck Surgery, Division of Rhinology Johns Hopkins Medicine, Baltimore, MD.
authors.forename: Sandra Y
authors.initials: SY
authors.lastname: Lin
mesh_terms: D006801:Humans; D065631:Rhinitis, Allergic / Q000175:diagnosis / Q000453:epidemiology / Q000276:immunology / Q000628:therapy