RT Journal Article SR Electronic T1 MR imaging of fatal atlantoaxial dislocation caused by retropharyngeal abscess. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 992 OP 992 VO 11 IS 5 A1 Chen, M Y A1 Elster, A D YR 1990 UL http://www.ajnr.org/content/11/5/992.abstract AB