RT Journal Article SR Electronic T1 Spinal accessory nerve schwannoma involving the jugular foramen. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 986 OP 989 VO 16 IS 4 A1 O Ortiz A1 L Reed YR 1995 UL http://www.ajnr.org/content/16/4/986.abstract AB