RT Journal Article SR Electronic T1 The early history of neuroradiology at the Medical School of the University of Minnesota, 1937-1939. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 873 OP 877 VO 13 IS 3 A1 H O Peterson YR 1992 UL http://www.ajnr.org/content/13/3/873.abstract AB