PT - JOURNAL ARTICLE ED - American Society of Neuroradiology TI - Erratum AID - 10.3174/ajnr.A3116 DP - 2012 Apr 01 TA - American Journal of Neuroradiology PG - e68--e68 VI - 33 IP - 4 4099 - http://www.ajnr.org/content/33/4/e68.short 4100 - http://www.ajnr.org/content/33/4/e68.full SO - Am. J. Neuroradiol.2012 Apr 01; 33