RT Journal Article SR Electronic T1 Reply JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 152 OP 152 VO 24 IS 1 A1 Chun, Jay A1 Dillon, William P. A1 Berger, Mitch YR 2003 UL http://www.ajnr.org/content/24/1/152.abstract AB