RT Journal Article SR Electronic T1 MR imaging of mucoceles of the sphenoid sinus. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 613 OP 614 VO 10 IS 3 A1 R C Dawson, 3rd A1 J A Horton YR 1989 UL http://www.ajnr.org/content/10/3/613.abstract AB