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Xu WM, Gorman PA, Rider SH, Hedge PJ, Moore G, Prichard C, Sheer D, Solomon E.Xu WM, et al. Among authors: gorman pa.Proc Natl Acad Sci U S A. 1988 Nov;85(22):8563-7. doi: 10.1073/pnas.85.22.8563.Proc Natl Acad Sci U S A. 1988.PMID: 3186746Free PMC article.