TY - JOUR T1 - Erratum JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - E144 LP - E144 DO - 10.3174/ajnr.A1878 VL - 30 IS - 9 A2 - , Y1 - 2009/10/01 UR - http://www.ajnr.org/content/30/9/E144.abstract N2 - ER -