RT Journal Article SR Electronic T1 Wherefore Wingspan? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 997 OP 998 DO 10.3174/ajnr.A0614 VO 28 IS 6 A1 David F. Kallmes A1 Huy M. Do YR 2007 UL http://www.ajnr.org/content/28/6/997.abstract AB