RT Journal Article SR Electronic T1 Sounds of Silence JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1155 OP 1157 DO 10.3174/ajnr.A2283 VO 32 IS 7 A1 M. Castillo YR 2011 UL http://www.ajnr.org/content/32/7/1155.abstract AB