Hereditary angioedema: first report of the Brazilian registry and challenges - Grumach, A. S.; Valle, S. O. R.; Toledo, E.; Vasconcelos, D. de Moraes; Villela, M. M. S.; Mansour, E.; Pinto, J. A.; Campos, R. A.; França, A. T.; Roxo Junior, Persio (Journal of the European Academy of Dermatology and Venereology, 2012)