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Goldstein B.Goldstein B.Philos Trans R Soc Lond B Biol Sci. 2001 Oct 29;356(1414):1521-31. doi: 10.1098/rstb.2001.0977.Philos Trans R Soc Lond B Biol Sci. 2001.PMID: 11604120Free PMC article.Review.