PT  - JOURNAL ARTICLE
AU  - David F. Kallmes
AU  - Kennith F. Layton
AU  - William F. Marx
AU  - Frank Tong
TI  - Reply:
AID  - 10.3174/ajnr.A1047
DP  - 2008 Mar 27
TA  - American Journal of Neuroradiology
4099  - http://www.ajnr.org/content/early/2008/05/08/ajnr.A1047.1.short
4100  - http://www.ajnr.org/content/early/2008/05/08/ajnr.A1047.1.full