RT Journal Article SR Electronic T1 Thirty-Seventh Annual Meeting of the American Society of Neuroradiology JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1754 OP 1759 VO 20 IS 9 A1 Quencer, Robert M. A1 Ball, William S. A1 Bryan, R. Nick A1 Dillon, William P. A1 Strother, Charles M. YR 1999 UL http://www.ajnr.org/content/20/9/1754.abstract AB