- Intradural Extramedullary Spinal Ependymoma: A Case Report of Malignant Transformation Occurring
- Takashi Moriwaki, Koichi Iwatsuki, Yu-ichiro Ohnishi, Masao Umegaki, Masahiro Ishihara, Toshiki Yoshimine
- Asian Spine J. 2013;7(2):139-142. Published online May 22, 2013