PT - JOURNAL ARTICLE AU - M. Castillo TI - Identifying the Source of Printed Scientific Literature AID - 10.3174/ajnr.A1245 DP - 2008 Jul 24 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/07/24/ajnr.A1245.short 4100 - http://www.ajnr.org/content/early/2008/07/24/ajnr.A1245.full