title: Comparative analysis of the closed quotient for lip and tongue trills in relation to the sustained vowel /ε/.
authors.affiliation: Department of Otolaryngology, School of Medicine, University of São Paulo, São Paulo, Brazil. giscordeiro@usp.br
authors.forename: Gislaine Ferro
authors.initials: GF
authors.lastname: Cordeiro
authors.forename: Arlindo Neto
authors.initials: AN
authors.lastname: Montagnoli
authors.forename: Nair Kátia
authors.initials: NK
authors.lastname: Nemr
authors.forename: Márcia Helena Moreira
authors.initials: MH
authors.lastname: Menezes
authors.forename: Domingos Hiroshi
authors.initials: DH
authors.lastname: Tsuji