RT Journal Article SR Electronic T1 Revisiting the blood-brain barrier. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 623 OP 624 VO 15 IS 4 A1 Huckman, M S YR 1994 UL http://www.ajnr.org/content/15/4/623.abstract AB