Malikka, Ali, Joe Kandoth, and Shibu George. “A Study on the Cavity Problems in Patients Who Have Undergone Functional Endoscopic Sinus Surgery”. International Journal of Health and Clinical Research 3, no. 4 (August 31, 2020): 153–162. Accessed November 20, 2024. https://ijhcr.com/index.php/ijhcr/article/view/173.