RT Journal Article SR Electronic T1 Endoscopic sinus surgery: role of the radiologist. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 855 OP 860 VO 12 IS 5 A1 Mafee, M F YR 1991 UL http://www.ajnr.org/content/12/5/855.abstract AB