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Pungaliya C, Srinivasan J, Fox BW, Malik RU, Ludewig AH, Sternberg PW, Schroeder FC.Pungaliya C, et al. Among authors: srinivasan j.Proc Natl Acad Sci U S A. 2009 May 12;106(19):7708-13. doi: 10.1073/pnas.0811918106. Epub 2009 Apr 3.Proc Natl Acad Sci U S A. 2009.PMID: 19346493Free PMC article.