RT Journal Article SR Electronic T1 Norman Leeds, MD JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1323 OP 1324 DO 10.3174/ajnr.A6612 VO 41 IS 7 A1 D. Zimmerman, Robert YR 2020 UL http://www.ajnr.org/content/41/7/1323.abstract AB