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 M H Han A1 B Jabour A1 J Andrews A1 R Lufkin A1 L Layfield A1 D Becker A1 W Hanafee YR 1991 UL http://www.ajnr.org/content/12/6/1185.abstract AB