title: Introduction: allergic rhinitis.
authors.affiliation: Royal National Throat, Nose and Ear Hospital, London, UK.
authors.forename: G K
authors.initials: GK
authors.lastname: Scadding
authors.forename: J
authors.initials: J
authors.lastname: Bousquet
mesh_terms: D001249:Asthma; D017281:Cost of Illness; D006801:Humans; D011788:Quality of Life; D012221:Rhinitis, Allergic, Perennial / Q000503:physiopathology / Q000523:psychology; D006255:Rhinitis, Allergic, Seasonal / Q000503:physiopathology / Q000523:psychology; D018434:Sickness Impact Profile