@article{lopes_alves_melo_2017,  title={Content evidence of a spectrographic analysis protocol},  volume={19},  ISSN={1516-1846},  url={https://doi.org/10.1590/1982-021620171942917},  DOI={10.1590/1982-021620171942917},  number={4},  journal={Revista CEFAC},  publisher={ABRAMO Associação Brasileira de Motricidade Orofacial},  author={Lopes, Leonardo Wanderley and Alves, Giorvan Ânderson dos Santos and Melo, Matheus Leão de},  year={2017},  month={Jul},  pages={510–528} }