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Humphreys-Beher MG, Bunnell B, vanTuinen P, Ledbetter DH, Kidd VJ.Humphreys-Beher MG, et al.Proc Natl Acad Sci U S A. 1986 Dec;83(23):8918-22. doi: 10.1073/pnas.83.23.8918.Proc Natl Acad Sci U S A. 1986.PMID: 3097639Free PMC article.