@incollection{Cordeiro12, author = {Gislaine Ferro Cordeiro and Arlindo Neto Montagnoli and Domingos Hiroshi Tsuji}, title = {Comparison Among Phonation of the Sustained Vowel /ε/, Lip Trills, and Tongue Trills: The Amplitude of Vocal Fold Vibration and the Closed Quotient}, booktitle = {Otolaryngology}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Balwant Singh Gendeh}, chapter = {8}, doi = {10.5772/38325}, url = {https://doi.org/10.5772/38325} }