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Choisy SC, Cheng H, Smith GL, James AF, Hancox JC.Choisy SC, et al. Among authors: cheng h.PLoS One. 2012;7(3):e33448. doi: 10.1371/journal.pone.0033448. Epub 2012 Mar 29.PLoS One. 2012.PMID: 22479400Free PMC article.