TY - JOUR T1 - Erratum JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - e111 LP - e111 DO - 10.3174/ajnr.A1770 VL - 30 IS - 7 A2 - , Y1 - 2009/08/01 UR - http://www.ajnr.org/content/30/7/e111.abstract N2 - ER -