Sokolova Ravasqueira, A. , Palma-Carlos, G., Rocha, J., Branco Ferreira, M. and Pereira Barbosa, M. 2009. Angioedema and flushing in the elderly patient. From “allergy” to carcinoid tumour. Importance of the differencial diagnosis. Internal Medicine. 16, 4 (Dec. 2009), 239–246.