RT Journal Article SR Electronic T1 Robert H. Ackerman, MD, MPH (1935–2018) JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E12 OP E13 DO 10.3174/ajnr.A5989 VO 40 IS 3 A1 M.H. Lev A1 J.M. Romero A1 L.H. Schwamm A1 M.E. Cudkowicz A1 J.A. Brink YR 2019 UL http://www.ajnr.org/content/40/3/E12.abstract AB