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Zang QS, Martinez B, Yao X, Maass DL, Ma L, Wolf SE, Minei JP.Zang QS, et al. Among authors: maass dl.PLoS One. 2012;7(8):e43424. doi: 10.1371/journal.pone.0043424. Epub 2012 Aug 27.PLoS One. 2012.PMID: 22952679Free PMC article.