RT Journal Article SR Electronic T1 Is Peripheral Spinal Cord Hypointensity a Sign of Venous Hypertensive Myelopathy? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 617 OP 617 VO 21 IS 4 A1 Robert M. Quencer YR 2000 UL http://www.ajnr.org/content/21/4/617.abstract AB