Esmaeili, Sara, et al. “Estimate the Severity of Acute Ischemic Stroke by Optic Nerve Sheath Ultrasound”. The Ultrasound Journal, vol. 17, no. 1, Dec. 2025, p. 66, https://www.mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18376.