IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-10-52802 Original Research Paper Comparative Study Of Fat Versus Tragal Perichondrium In Small Central Perforation Of The Tympanic Membrane A. Nongkynrih Dr. Pamela Choudhury Dr. October 2023 12 10 01 02