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Dong YL, Wang W, Li H, Li ZH, Zhang FX, Zhang T, Lu YC, Li JL, Wu SX, Li YQ.Dong YL, et al. Among authors: zhang t, zhang fx.PLoS One. 2012;7(3):e34435. doi: 10.1371/journal.pone.0034435. Epub 2012 Mar 29.PLoS One. 2012.PMID: 22479630Free PMC article.
Zhang MM, Ji W, Pei LY, Wang W, Chen T, Wang W, Li H, Zhang T, Wu SX, Li YQ.Zhang MM, et al. Among authors: zhang t.PLoS One. 2013;8(3):e59234. doi: 10.1371/journal.pone.0059234. Epub 2013 Mar 21.PLoS One. 2013.PMID: 23555638Free PMC article.