M. S., Sudhakar Rao, Keerthi Koripalli, Apoorva P., and Vijayalaxmi Malipatil. 2020. “Study of Maximum Phonation Time and S/Z Ratio in Laryngeal Paralysis”. International Journal of Otorhinolaryngology and Head and Neck Surgery 6 (9):1627-31. https://doi.org/10.18203/issn.2454-5929.ijohns20203562.