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Barton NR, Goldstein LS.Barton NR, et al. Among authors: goldstein ls.Proc Natl Acad Sci U S A. 1996 Mar 5;93(5):1735-42. doi: 10.1073/pnas.93.5.1735.Proc Natl Acad Sci U S A. 1996.PMID: 8700828Free PMC article.Review.