PT - JOURNAL ARTICLE AU - Isokangas, J.M. AU - Siniluoto, T. AU - Kumpulainen, T. AU - Tikkakoski, T. TI - <em>Reply:</em> AID - 10.3174/ajnr.A1491 DP - 2009 May 01 TA - American Journal of Neuroradiology PG - e70--e70 VI - 30 IP - 5 4099 - http://www.ajnr.org/content/30/5/e70.short 4100 - http://www.ajnr.org/content/30/5/e70.full SO - Am. J. Neuroradiol.2009 May 01; 30