**Urticaria and Angioedema**

[21] Powell RJ, Leech SC, Till S, Huber PA, Nasser SM, Clark AT, British Society for Allergy and Clinical Immunology. BSACI guideline for the management of chronic urticaria and

[22] Maurer M, Rosén K, Hsieh HJ, et al. Omalizumab for the treatment of chronic idiopathic or spontaneous urticaria. New England Journal of Medicine. 2013;**368**:924–935. [23] Saini SS, Bindslev-Jensen C, Maurer M, et al. Efficacy and safety of omalizumab in patients with chronic idiopathic/spontaneous urticaria who remain symptomatic on H1 antihistamines: A randomized, placebo-controlled study. Journal of Investigative

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8 A Comprehensive Review of Urticaria and Angioedema
