RT Journal Article SR Electronic T1 Intraoperative sonography of a spinal cord arteriovenous malformation. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 730 OP 731 VO 8 IS 4 A1 Rubin, J M A1 Knake, J E YR 1987 UL http://www.ajnr.org/content/8/4/730.abstract AB