“Calculation of the Volume of Fourth Ventricle and the Length of Herniation Using the ImageJ Software in Patients with Chiari Type I malformation ”, Ann Med Res , vol. 19, no. 4, pp. 0249–0255, May 2021, Accessed: Oct. 14, 2025. [Online]. Available: http://annalsmedres.org/index.php/aomr/article/view/3548