Ravindra, A., S. Shetty, K. Devaraja, and K. Pujary. “Isolated Sphenoid Sinus Disease; A Retrospective Review of Underlying Pathologies and Their Clinicopathological Implications”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 8, no. 3, Feb. 2022, pp. 217-22, doi:10.18203/issn.2454-5929.ijohns20220471.