RT Journal Article SR Electronic T1 A Clear and Present Danger? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1634 OP 1636 VO 22 IS 9 A1 Yousem, David M. YR 2001 UL http://www.ajnr.org/content/22/9/1634.abstract AB