RT Journal Article SR Electronic T1 Intradural disk herniation with CT appearance of gas collection. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 117 OP 118 VO 6 IS 1 A1 M C Kaiser A1 G Sandt A1 A Roilgen A1 P Capesius A1 D Poos A1 F Ohanna YR 1985 UL http://www.ajnr.org/content/6/1/117.abstract AB