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Kumita JR, Smart OS, Woolley GA.Kumita JR, et al. Among authors: smart os.Proc Natl Acad Sci U S A. 2000 Apr 11;97(8):3803-8. doi: 10.1073/pnas.97.8.3803.Proc Natl Acad Sci U S A. 2000.PMID: 10760254Free PMC article.