RT Journal Article SR Electronic T1 The Presyringomyelic Myelopathic State: A Plausible Hypothesis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1 OP 2 VO 20 IS 1 A1 Robert M. Quencer YR 1999 UL http://www.ajnr.org/content/20/1/1.abstract AB