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Kenyon WJ, Humphreys S, Roberts M, Spector MP.Kenyon WJ, et al.Antonie Van Leeuwenhoek. 2010 Jun;98(1):51-63. doi: 10.1007/s10482-010-9428-2. Epub 2010 Mar 17.Antonie Van Leeuwenhoek. 2010.PMID: 20232248Free PMC article.