RT Journal Article SR Electronic JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1963 OP 1963 DO 10.3174/ajnr.P0056 VO 39 IS 11 A1 Schaller, Karl A1 Vargas, Maria Isabel YR 2018 UL http://www.ajnr.org/content/39/11/1963.abstract AB