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Peterson KJ, Davidson EH.Peterson KJ, et al. Among authors: davidson eh.Proc Natl Acad Sci U S A. 2000 Apr 25;97(9):4430-3. doi: 10.1073/pnas.97.9.4430.Proc Natl Acad Sci U S A. 2000.PMID: 10781037Free PMC article.Review.
Peterson KJ, Irvine SQ, Cameron RA, Davidson EH.Peterson KJ, et al. Among authors: davidson eh.Proc Natl Acad Sci U S A. 2000 Apr 25;97(9):4487-92. doi: 10.1073/pnas.97.9.4487.Proc Natl Acad Sci U S A. 2000.PMID: 10781049Free PMC article.