RT Journal Article SR Electronic JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1437 OP 1437 DO 10.3174/ajnr.P0085 VO 40 IS 9 A1 Messina, Steven A. YR 2019 UL http://www.ajnr.org/content/40/9/1437.abstract AB