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Bick-Sander A, Steiner B, Wolf SA, Babu H, Kempermann G.Bick-Sander A, et al. Among authors: babu h.Proc Natl Acad Sci U S A. 2006 Mar 7;103(10):3852-7. doi: 10.1073/pnas.0502644103. Epub 2006 Mar 6.Proc Natl Acad Sci U S A. 2006.PMID: 16537457Free PMC article.