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Coyne JA, Orr HA.Coyne JA, et al.Philos Trans R Soc Lond B Biol Sci. 1998 Feb 28;353(1366):287-305. doi: 10.1098/rstb.1998.0210.Philos Trans R Soc Lond B Biol Sci. 1998.PMID: 9533126Free PMC article.Review.