PT - JOURNAL ARTICLE AU - Kallmes, David F. AU - Layton, Kennith F. AU - Marx, William F. AU - Tong, Frank TI - Reply: AID - 10.3174/ajnr.A1047 DP - 2008 Jun 01 TA - American Journal of Neuroradiology PG - e46--e47 VI - 29 IP - 6 4099 - http://www.ajnr.org/content/29/6/e46.short 4100 - http://www.ajnr.org/content/29/6/e46.full SO - Am. J. Neuroradiol.2008 Jun 01; 29