TY - JOUR T1 - Sources of Variability in Measuring Carotid Stenosis on Time-Resolved Contrast-Enhanced MR Angiograms JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 178 LP - 179 VL - 23 IS - 2 AU - Patrick Turski Y1 - 2002/02/01 UR - http://www.ajnr.org/content/23/2/178.abstract N2 - ER -