Slynhko, E. I., A. M. Zolotoverch, and A. N. Nikiforova. “Frequency of Spinal Cord and Spine Tumors from Data of Neurosurgical Clinics of Ukraine”. Ukrainian Neurosurgical Journal, no. 4 (December 8, 2007): 12–16. Accessed May 3, 2024. https://theunj.org/article/view/112324.