RT Journal Article SR Electronic T1 Preservation of Knowledge, Part 1: Paper and Microfilm JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1627 OP 1628 DO 10.3174/ajnr.A1655 VO 30 IS 9 A1 Castillo, M. YR 2009 UL http://www.ajnr.org/content/30/9/1627.abstract AB