title: Diagnostic testing in chronic urticaria and angioedema.
authors.forename: J N
authors.initials: JN
authors.lastname: Singh
mesh_terms: D000799:Angioedema / Q000209:etiology; D002908:Chronic Disease; D003875:Drug Eruptions / Q000209:etiology; D004781:Environmental Exposure / Q000009:adverse effects; D005512:Food Hypersensitivity / Q000150:complications*; D006801:Humans; D014581:Urticaria / Q000209:etiology*