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Bartumeus F, Levin SA.Bartumeus F, et al. Among authors: levin sa.Proc Natl Acad Sci U S A. 2008 Dec 9;105(49):19072-7. doi: 10.1073/pnas.0801926105. Epub 2008 Dec 5.Proc Natl Acad Sci U S A. 2008.PMID: 19060198Free PMC article.
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