RT Journal Article SR Electronic T1 Emergency Radiology—Imaging and Intervention JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e9 OP e9 DO 10.3174/ajnr.A0882 VO 29 IS 3 YR 2008 UL http://www.ajnr.org/content/29/3/e9.abstract AB