@article{wertzner_francisco_pagan-neves_2014,  title={Tongue contour for /s/ and /∫/ in children with speech
               sound disorder},  volume={26},  ISSN={2317-1782},  url={https://doi.org/10.1590/2317-1782/201420130022},  DOI={10.1590/2317-1782/201420130022},  number={3},  journal={CoDAS},  publisher={Sociedade Brasileira de Fonoaudiologia},  author={Wertzner, Haydée Fiszbein and Francisco, Danira Tavares and Pagan-Neves, Luciana de Oliveira},  year={2014},  month={May},  pages={248–251} }