Hubballi, Ravi Kishore, and Keerthi Koripalli. 2020. “Hard of Hearing As a Presenting Complaint in Patients With Chronic Otitis Media”. International Journal of Otorhinolaryngology and Head and Neck Surgery 6 (6):1115-19. https://doi.org/10.18203/issn.2454-5929.ijohns20202210.