Slynko, Eugene, Anatoliy Tkach, Mikhail Shamaev, Orest Tsimeyko, and Andriy Lugovsky. “Diagnostic Evaluation and Surgical Treatment Epidural Venous Malformations of the Spinal District”. Ukrainian Neurosurgical Journal, no. 4 ():129-34. https://theunj.org/article/view/53910.