Prasad, Sachana, Ranjan Raychowdhury, and Amitabha Roychoudhury. “Assessment of Pre and Postoperative Voice Quality in Cases of Vocal Fold Polyp”. International Journal of Otorhinolaryngology and Head and Neck Surgery 6, no. 2 (January 24, 2020): 352–358. Accessed November 16, 2025. https://www.ijorl.com/index.php/ijorl/article/view/1880.