RT Journal Article SR Electronic T1 Neuroradiologic Classics JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 735 OP 735 VO 23 IS 4 A1 Samuel M. Wolpert YR 2002 UL http://www.ajnr.org/content/23/4/735.abstract AB