RT Journal Article SR Electronic T1 Transdural spinal cord herniation: acquired or developmental? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1185 OP 1185 VO 19 IS 7 A1 R M Quencer YR 1998 UL http://www.ajnr.org/content/19/7/1185.1.abstract AB