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Bernstein E, Muratore-Schroeder TL, Diaz RL, Chow JC, Changolkar LN, Shabanowitz J, Heard E, Pehrson JR, Hunt DF, Allis CD.Bernstein E, et al. Among authors: pehrson jr.Proc Natl Acad Sci U S A. 2008 Feb 5;105(5):1533-8. doi: 10.1073/pnas.0711632105. Epub 2008 Jan 28.Proc Natl Acad Sci U S A. 2008.PMID: 18227505Free PMC article.