RT Journal Article SR Electronic T1 Brain Hypoxia and Ischemia JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP e89 OP e89 DO 10.3174/ajnr.A1572 VO 30 IS 6 YR 2009 UL http://www.ajnr.org/content/30/6/e89.abstract AB