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Tham WH, Wilson DW, Lopaticki S, Schmidt CQ, Tetteh-Quarcoo PB, Barlow PN, Richard D, Corbin JE, Beeson JG, Cowman AF.Tham WH, et al.Proc Natl Acad Sci U S A. 2010 Oct 5;107(40):17327-32. doi: 10.1073/pnas.1008151107. Epub 2010 Sep 20.Proc Natl Acad Sci U S A. 2010.PMID: 20855594Free PMC article.