Aggarwal, P., B. S. Sohal, and J. P. Goyal. “Comparative Study of Endoscopic Tympanoplasty and Conventional Tympanoplasty”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 6, no. 10, Sept. 2020, pp. 1804-10, doi:10.18203/issn.2454-5929.ijohns20204179.