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Luebke AE, Dahl GP, Roos BA, Dickerson IM.Luebke AE, et al.Proc Natl Acad Sci U S A. 1996 Apr 16;93(8):3455-60. doi: 10.1073/pnas.93.8.3455.Proc Natl Acad Sci U S A. 1996.PMID: 8622957Free PMC article.