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Hu X, Bulger M, Roach JN, Eszterhas SK, Olivier E, Bouhassira EE, Groudine MT, Fiering S.Hu X, et al. Among authors: bouhassira ee.Proc Natl Acad Sci U S A. 2003 Feb 4;100(3):1111-5. doi: 10.1073/pnas.0337404100. Epub 2003 Jan 13.Proc Natl Acad Sci U S A. 2003.PMID: 12525692Free PMC article.