Sanchez-Balderas, V. R., Fernández-Olvera, M., & Ascencio-Padilla, R. D. J. (2018). Effect of nasal obstruction in the acoustic analysis of voice. International Journal of Otorhinolaryngology and Head and Neck Surgery, 4(2), 321–325. https://doi.org/10.18203/issn.2454-5929.ijohns20180693