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Yokoyama WM.Yokoyama WM.Proc Natl Acad Sci U S A. 1995 Apr 11;92(8):3081-5. doi: 10.1073/pnas.92.8.3081.Proc Natl Acad Sci U S A. 1995.PMID: 7724519Free PMC article.Review.No abstract available.