Aslan, Nagehan, et al. “Evaluation of Ultrasonographic Optic Nerve Sheath Diameter and Central Retinal Artery Doppler Indices by Point-of-Care Ultrasound in Pediatric Patients With Increased Intracranial Pressure”. The Turkish Journal of Pediatrics, vol. 63, no. 2, Apr. 2021, pp. 300-6, https://doi.org/10.24953/turkjped.2021.02.014.