RT Journal Article SR Electronic T1 Unusual case of orbital encephalocele. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 199 OP 200 VO 5 IS 2 A1 Downey, E F A1 Weinstein, Z R YR 1984 UL http://www.ajnr.org/content/5/2/199.abstract AB