RT Journal Article SR Electronic T1 In Re: Reversible Ischemia Determined by Xenon-Enhanced CT after 90 Minutes of Complete Basilar Artery Occlusion JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 2023 OP 2023 VO 20 IS 10 A1 Lev, Michael H A1 Ackerman, Robert H YR 1999 UL http://www.ajnr.org/content/20/10/2023.1.abstract AB