RT Journal Article SR Electronic T1 Epidural gas: an unusual complication of Crohn disease. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 105 OP 106 VO 5 IS 1 A1 Burke, V A1 Mall, J C YR 1984 UL http://www.ajnr.org/content/5/1/105.abstract AB