RT Journal Article SR Electronic JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1191 OP 1191 DO 10.3174/ajnr.P0020 VO 37 IS 7 A1 Ajeet Gordhan YR 2016 UL http://www.ajnr.org/content/37/7/1191.abstract AB