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Otten AD, Tapscott SJ.Otten AD, et al.Proc Natl Acad Sci U S A. 1995 Jun 6;92(12):5465-9. doi: 10.1073/pnas.92.12.5465.Proc Natl Acad Sci U S A. 1995.PMID: 7777532Free PMC article.