PT - JOURNAL ARTICLE AU - W.J. van Rooij AU - M. Sluzewski TI - Reply: AID - 10.3174/ajnr.A1372 DP - 2008 Oct 22 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/10/22/ajnr.A1372.short 4100 - http://www.ajnr.org/content/early/2008/10/22/ajnr.A1372.full