PT - JOURNAL ARTICLE AU - van Rooij, W.J. AU - Sluzewski, M. TI - Reply: AID - 10.3174/ajnr.A1372 DP - 2009 Jan 01 TA - American Journal of Neuroradiology PG - e9--e10 VI - 30 IP - 1 4099 - http://www.ajnr.org/content/30/1/e9.short 4100 - http://www.ajnr.org/content/30/1/e9.full SO - Am. J. Neuroradiol.2009 Jan 01; 30