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Gourley SL, Swanson AM, Jacobs AM, Howell JL, Mo M, Dileone RJ, Koleske AJ, Taylor JR.Gourley SL, et al.Proc Natl Acad Sci U S A. 2012 Dec 11;109(50):20714-9. doi: 10.1073/pnas.1208342109. Epub 2012 Nov 26.Proc Natl Acad Sci U S A. 2012.PMID: 23185000Free PMC article.