PT - JOURNAL ARTICLE AU - M. Castillo TI - QWERTY, @, &, # AID - 10.3174/ajnr.A2228 DP - 2011 Apr 01 TA - American Journal of Neuroradiology PG - 613--614 VI - 32 IP - 4 4099 - http://www.ajnr.org/content/32/4/613.short 4100 - http://www.ajnr.org/content/32/4/613.full SO - Am. J. Neuroradiol.2011 Apr 01; 32