RT Journal Article SR Electronic T1 MR-guided aspiration and drainage of a nasopharyngeal mucus retention cyst. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1185 OP 1186 VO 12 IS 6 A1 Han, M H A1 Jabour, B A1 Andrews, J A1 Lufkin, R A1 Layfield, L A1 Becker, D A1 Hanafee, W YR 1991 UL http://www.ajnr.org/content/12/6/1185.abstract AB