M. S., S. R., Koripalli, K., P., A., & Malipatil, V. (2020). Study of maximum phonation time and S/Z ratio in laryngeal paralysis. International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(9), 1627–1631. https://doi.org/10.18203/issn.2454-5929.ijohns20203562