RT Journal Article SR Electronic T1 Does Filling the Crack Break More of the Back? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 166 OP 167 VO 25 IS 2 A1 Mary E. Jensen A1 David F. Kallmes YR 2004 UL http://www.ajnr.org/content/25/2/166.abstract AB