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 Robert M. Quencer A1 William S. Ball A1 R. Nick Bryan A1 William P. Dillon A1 Charles M. Strother YR 1999 UL http://www.ajnr.org/content/20/9/1754.abstract AB