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Valadon P, Garnett JD, Testa JE, Bauerle M, Oh P, Schnitzer JE.Valadon P, et al.Proc Natl Acad Sci U S A. 2006 Jan 10;103(2):407-12. doi: 10.1073/pnas.0506938103. Epub 2005 Dec 29.Proc Natl Acad Sci U S A. 2006.PMID: 16384919Free PMC article.