Nepal PR, Karki KT, Rajbanshi JN. Types of Sphenoid Sinus Pneumatization among Nepalese Population. Eastern Green Neurosurg. [Internet]. 2020 Sep. 24 [cited 2024 Apr. 19];2(3):14-8. Available from: https://www.nepjol.info/index.php/egn/article/view/31468