RT Journal Article SR Electronic T1 Extrusion of osteoconductive biosynthetic polymer dowels after cervicalfusion surgery. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 792 OP 793 VO 18 IS 4 A1 J E Hynes A1 L Weaver A1 R A Jones A1 R A Cowie A1 A Jackson YR 1997 UL http://www.ajnr.org/content/18/4/792.abstract AB