RT Journal Article SR Electronic T1 The Evolutionary and Embryologic Basis for the Development and Anatomy of the Cavum Veli Interpositi JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 612 OP 613 VO 21 IS 3 A1 Leon E. Kier YR 2000 UL http://www.ajnr.org/content/21/3/612.3.abstract AB