RT Journal Article SR Electronic T1 Response to the Commentary "How Do We Spin Wingspan?" JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1081 A1 E.I. Levy A1 L.N. Hopkins A1 A.S. Turk A1 D.J. Fiorella A1 P.A. Rasmussen A1 T.J. Masaryk A1 F.C. Albuquerque A1 C.G. McDougall A1 G.L. Pride, Jr. A1 B.G. Welch A1 P.D. Purdy A1 H.H. Woo A1 D.B. Niemann A1 B. Aagaard-Kienitz YR 2008 UL http://www.ajnr.org/content/early/2008/04/03/ajnr.A1081.abstract AB