RT Journal Article SR Electronic T1 “Delayed Pial Vessels” in Multiphase CT Angiography Aid in the Detection of Arterial Occlusion in Anterior Circulation JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A5529 A1 R.-J. Singh A1 C. Zerna A1 B.K. Menon YR 2018 UL http://www.ajnr.org/content/early/2018/01/04/ajnr.A5529.abstract AB