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Chien AJ, Moore EC, Lonsdorf AS, Kulikauskas RM, Rothberg BG, Berger AJ, Major MB, Hwang ST, Rimm DL, Moon RT.Chien AJ, et al.Proc Natl Acad Sci U S A. 2009 Jan 27;106(4):1193-8. doi: 10.1073/pnas.0811902106. Epub 2009 Jan 14.Proc Natl Acad Sci U S A. 2009.PMID: 19144919Free PMC article.