B. B. Sharma, S. Sharma, M. R. Aziz, S. Singh, N. Virmani, and V. K. Govila, Trans., “Mature Ethmoid Sinus Osteoma - Incidental finding in CT”, Indian J Case Reports, vol. 2, no. 4, pp. 101–103, Dec. 2016, doi: 10.32677/IJCR.2016.v02.i04.005.