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Doolittle WF, Boucher Y, Nesbø CL, Douady CJ, Andersson JO, Roger AJ.Doolittle WF, et al. Among authors: douady cj.Philos Trans R Soc Lond B Biol Sci. 2003 Jan 29;358(1429):39-57; discussion 57-8. doi: 10.1098/rstb.2002.1185.Philos Trans R Soc Lond B Biol Sci. 2003.PMID: 12594917Free PMC article.Review.