Lalchan, Subita, Ashish Shrestha, and Bishnu Jwarchan. “Sphenoid Sinus Pneumatization in a Sample of Nepalese Population: A Multidetector Computed Tomography Study”. Journal of Brain and Spine Foundation Nepal 2, no. 1 (August 10, 2021): 42–47. Accessed November 21, 2024. https://nepjol.info./index.php/jbsfn/article/view/39018.