RT Journal Article SR Electronic T1 A mimicker of a postoperative spinal mass: gelfoam in a laminectomy site. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 217 OP 218 VO 9 IS 1 A1 Dubin, L M A1 Quencer, R M A1 Green, B A YR 1988 UL http://www.ajnr.org/content/9/1/217.abstract AB