RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E9 OP E9 DO 10.3174/ajnr.A3444 VO 34 IS 1 A1 Kovacs, F.M. A1 Arana, E. A1 Royuela, A. A1 Estremera, A. A1 Amengual, G. A1 Asenjo, B. A1 Sarasíbar, H. A1 Galarraga, I. A1 Alonso, A. A1 Casillas, C. A1 Muriel, A. A1 Martínez, C. A1 Abraira, V. YR 2013 UL http://www.ajnr.org/content/34/1/E9.abstract AB