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Poon AF, Lewis FI, Pond SL, Frost SD.Poon AF, et al. Among authors: frost sd.PLoS Comput Biol. 2007 Jan 19;3(1):e11. doi: 10.1371/journal.pcbi.0030011. Epub 2006 Dec 8.PLoS Comput Biol. 2007.PMID: 17238283Free PMC article.