Silvares, M. R. C., K. I. R. Coelho, I. Dalben, J. C. Lastória, and L. P. F. Abbade. “Sociodemographic and Clinical Characteristics, Causal Factors and Evolution of a Group of Patients With Chronic Urticaria-Angioedema”. São Paulo Medical Journal, vol. 125, no. 5, Sept. 2007, pp. 281-5, https://periodicosapm.emnuvens.com.br/spmj/article/view/2161.