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Harris JK, De Groote MA, Sagel SD, Zemanick ET, Kapsner R, Penvari C, Kaess H, Deterding RR, Accurso FJ, Pace NR.Harris JK, et al.Proc Natl Acad Sci U S A. 2007 Dec 18;104(51):20529-33. doi: 10.1073/pnas.0709804104. Epub 2007 Dec 11.Proc Natl Acad Sci U S A. 2007.PMID: 18077362Free PMC article.