RT Journal Article SR Electronic T1 Flow Voids and Carotid MR Angiography JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1727 OP 1727 VO 24 IS 8 A1 Heiserman, Joseph E. YR 2003 UL http://www.ajnr.org/content/24/8/1727.1.abstract AB