Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WATANABE M,Surgical management of idiopathic spinal cord herniation : A review of nine cases treated by the enlargement of the dural defect,J Neurol Neurosurg Psychiatry,,,1994,57,,1433-1435,https://cir.nii.ac.jp/crid/1573387450355263872,