R. D. BELL, E. A. WINKLER, I. SINGH, A. P. SAGARE, R. DEANE, Z. WU, D. M. HOLTZMAN, C. BETSHOLTZ, A. ARMULIK, J. SALLSTROM, B. C. BERK, B. V. ZLOKOVIC
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Author manuscript; available in PMC 2014 Jun 5.Published in final edited form as: Nature. 2012 May 24; 485(7399): 512–516. Published online 2012 May 16. doi: 10.1038/nature11087