RT Journal Article SR Electronic JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 797 OP 797 DO 10.3174/ajnr.P0051 VO 39 IS 5 A1 Schonfeld, Steven M. YR 2018 UL http://www.ajnr.org/content/39/5/797.abstract AB