IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-7-51270 Original Research Paper Role of Corticosteroids in Functional Endoscopic Sinus Surgery. Hanan Iqbal Khan Dr. Dr. Reshaib Maqsood Dr. Dr Nisar Hussain Dar Dr. July 2023 12 7 01 02