KC, Bidur, and Amit Thapa. “Study of Optic Nerve Sheath Diameter in Normal Nepalese Adults Using Ultrasound”. Birat Journal of Health Sciences 3, no. 1 (May 6, 2018): 357–360. Accessed April 28, 2024. https://www.nepjol.info/index.php/bjhs/article/view/19758.