RT Journal Article SR Electronic T1 Neuroradiology Classics JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 605 OP 606 VO 21 IS 3 A1 Samuel M. Wolpert YR 2000 UL http://www.ajnr.org/content/21/3/605.abstract AB