Affiliation: | 1. Otorhinolaryngology Service, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brazil;2. Centre of Experimental Research, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brazil;3. Department of Pathology, Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brazil |