TY - JOUR T1 - Location, Location, Location: Angiography Discerns Early MR Imaging Vessel Signs Due to Proximal Arterial Occlusion and Distal Collateral Flow JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 2432 LP - 2433 VL - 26 IS - 9 AU - David S. Liebeskind Y1 - 2005/10/01 UR - http://www.ajnr.org/content/26/9/2432.1.abstract N2 - ER -