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Gold L, Brown D, He Y, Shtatland T, Singer BS, Wu Y.Gold L, et al. Among authors: singer bs.Proc Natl Acad Sci U S A. 1997 Jan 7;94(1):59-64. doi: 10.1073/pnas.94.1.59.Proc Natl Acad Sci U S A. 1997.PMID: 8990161Free PMC article.Review.