RT Journal Article SR Electronic T1 Stem Cells, Radial Glial Cells, and a Unified Origin of Brain Tumors JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1674 A1 M. Castillo YR 2009 UL http://www.ajnr.org/content/early/2009/10/01/ajnr.A1674.abstract AB