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Wang H, He Z, Lu Z, Zhou J, Van Nostrand JD, Xu X, Zhang Z.Wang H, et al. Among authors: xu x.Appl Environ Microbiol. 2012 Nov;78(21):7652-61. doi: 10.1128/AEM.01602-12. Epub 2012 Aug 24.Appl Environ Microbiol. 2012.PMID: 22923398Free PMC article.
Sun M, Huang L, Tan L, Yang Z, Baig SA, Sheng T, Zhu H, Xu X.Sun M, et al. Among authors: xu x.Water Environ Res. 2013 May;85(5):397-403. doi: 10.2175/106143013x13596524516743.Water Environ Res. 2013.PMID: 23789569
Zhang Z, Shen J, Wang H, Liu M, Wu L, Ping F, He Q, Li H, Zheng C, Xu X.Zhang Z, et al. Among authors: xu x.Sci Rep. 2014 Oct 30;4:6844. doi: 10.1038/srep06844.Sci Rep. 2014.PMID: 25354896Free PMC article.