title: ABC of allergies. Diagnosing allergy.
authors.affiliation: Department of Asthma and Allergy, London Chest Hospital.
authors.forename: C
authors.initials: C
authors.lastname: Rusznak
authors.forename: R J
authors.initials: RJ
authors.lastname: Davies
mesh_terms: D003429:Cross Reactions; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis* / Q000209:etiology; D007159:Immunologic Tests; D012307:Risk Factors; D012882:Skin Tests / Q000379:methods