RT Journal Article SR Electronic T1 Visiting with Dr. Ralph Heinz JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 2023 OP 2025 DO 10.3174/ajnr.A2945 VO 33 IS 11 A1 M. Castillo YR 2012 UL http://www.ajnr.org/content/33/11/2023.abstract AB