RT Journal Article SR Electronic JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 977 OP 977 DO 10.3174/ajnr.P0018 VO 37 IS 6 A1 Thomas, Bejoy YR 2016 UL http://www.ajnr.org/content/37/6/977.abstract AB