RT Journal Article SR Electronic T1 Is Reversible Enlargement of the Spinal Cord a Presyrinx State? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 21 OP 22 VO 20 IS 1 A1 Milhorat, Thomas H. YR 1999 UL http://www.ajnr.org/content/20/1/21.abstract AB