1Kozel MM, Sabroe RA. Chronic urticaria: aetiology, management and current and future treatment options. Drugs 2004; 64: 2515-2536.
2Vena GA, Casino N, Filieri M, et al. Fexofenadine in chronic idiopathic urticaria: a clinical and immunohistochemical evaluation.Int J Immunopathol Pharmacol 2002; 15:217 - 224.