RT Journal Article SR Electronic T1 Parent Artery Occlusion: A Well-Established Technique JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A4353 A1 C.M. Benson A1 D.M. Pelz A1 S.P. Lownie YR 2015 UL http://www.ajnr.org/content/early/2015/04/16/ajnr.A4353.abstract AB