Made available in DSpace on 2018-12-11T17:15:58Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-11-08; Background: The incidence of anaphylaxis is increasing in several parts of the world; thus, determining the prevalence of the disease in a given region is important to understand the factors involved and to promote measures to avoid this type of allergic reaction. Aiming this objective, we validated an ...