TY - JOUR T1 - Flow Voids and Carotid MR Angiography JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 1727 LP - 1727 VL - 24 IS - 8 AU - Joseph E. Heiserman Y1 - 2003/09/01 UR - http://www.ajnr.org/content/24/8/1727.1.abstract N2 - ER -