Herkal, Kartik, Karthikeyan Ramasamy, Sunil Kumar Saxena, Sivaraman Ganesan, and Arun Alexander. 2018. “Hearing Loss in Tympanic Membrane Perforations: An Analytic Study”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4 (5):1233-39. https://doi.org/10.18203/issn.2454-5929.ijohns20183693.