TY - JOUR T1 - Erratum JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e12 LP - e12 DO - 10.3174/ajnr.A1056 VL - 29 IS - 3 A2 - , Y1 - 2008/03/01 UR - http://www.ajnr.org/content/29/3/e12.abstract N2 - ER -