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Lee PL, Clayton DH, Griffiths R, Page RD.Lee PL, et al. Among authors: page rd.Proc Natl Acad Sci U S A. 1996 Jul 9;93(14):7091-6. doi: 10.1073/pnas.93.14.7091.Proc Natl Acad Sci U S A. 1996.PMID: 8692950Free PMC article.