Kiran, G. A., Y. P. Rao, B. S. Priyanka, and S. . “Comparative Study of Type 1 Tympanoplasty With and Without Gel-Foam in the Middle Ear”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 7, no. 8, July 2021, pp. 1245-8, doi:10.18203/issn.2454-5929.ijohns20212824.