RT Journal Article SR Electronic T1 Identifying the Source of Printed Scientific Literature JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1603 OP 1604 DO 10.3174/ajnr.A1245 VO 29 IS 9 A1 Castillo, M. YR 2008 UL http://www.ajnr.org/content/29/9/1603.abstract AB