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Knight A, Batzer MA, Stoneking M, Tiwari HK, Scheer WD, Herrera RJ, Deininger PL.Knight A, et al. Among authors: batzer ma.Proc Natl Acad Sci U S A. 1996 Apr 30;93(9):4360-4. doi: 10.1073/pnas.93.9.4360.Proc Natl Acad Sci U S A. 1996.PMID: 8633071Free PMC article.