RT Journal Article SR Electronic T1 A Welcome to Old Friends JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 407 OP 407 VO 13 IS 1 A1 Huckman, Michael S. YR 1992 UL http://www.ajnr.org/content/13/1/407.abstract AB