TY - JOUR T1 - Simplification of the Residual Lumen Geometry in Measuring Carotid Stenosis JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 804 LP - 805 VL - 28 IS - 5 AU - Gernot Schulte-Altedorneburg AU - Frank J. Ahlhelm Y1 - 2007/05/01 UR - http://www.ajnr.org/content/28/5/804.abstract N2 - ER -