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Butlin RK, Galindo J, Grahame JW.Butlin RK, et al.Philos Trans R Soc Lond B Biol Sci. 2008 Sep 27;363(1506):2997-3007. doi: 10.1098/rstb.2008.0076.Philos Trans R Soc Lond B Biol Sci. 2008.PMID: 18522915Free PMC article.Review.