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Wong S, Butler G, Wolfe KH.Wong S, et al. Among authors: butler g.Proc Natl Acad Sci U S A. 2002 Jul 9;99(14):9272-7. doi: 10.1073/pnas.142101099. Epub 2002 Jul 1.Proc Natl Acad Sci U S A. 2002.PMID: 12093907Free PMC article.
Butler G, Kenny C, Fagan A, Kurischko C, Gaillardin C, Wolfe KH.Butler G, et al.Proc Natl Acad Sci U S A. 2004 Feb 10;101(6):1632-7. doi: 10.1073/pnas.0304170101. Epub 2004 Jan 26.Proc Natl Acad Sci U S A. 2004.PMID: 14745027Free PMC article.
Fitzpatrick DA, Logue ME, Stajich JE, Butler G.Fitzpatrick DA, et al. Among authors: butler g.BMC Evol Biol. 2006 Nov 22;6:99. doi: 10.1186/1471-2148-6-99.BMC Evol Biol. 2006.PMID: 17121679Free PMC article.