RT Journal Article SR Electronic T1 Re: Assessment of Carotid Artery Patency on Routine Spin-Echo MR Imaging of the Brain JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 827 OP 828 VO 12 IS 5 A1 Brant-Zawadzki, Michael YR 1991 UL http://www.ajnr.org/content/12/5/827.abstract AB