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Zhang Y, Qin B, Chen W, Hu W, Gao G, Zhu G, Luo L.Zhang Y, et al.Ying Yong Sheng Tai Xue Bao. 2005 Jun;16(6):1133-7.Ying Yong Sheng Tai Xue Bao. 2005.PMID: 16180769Chinese.
Zhang YL, Yang LY, Qin BQ, Gao G, Luo LC, Zhu GW, Liu ML.Zhang YL, et al.Huan Jing Ke Xue. 2008 Jun;29(6):1457-62.Huan Jing Ke Xue. 2008.PMID: 18763484Chinese.
Zhu G, Wang F, Gao G, Zhang Y.Zhu G, et al. Among authors: zhang y.Water Environ Res. 2008 Sep;80(9):832-9. doi: 10.2175/106143008x304749.Water Environ Res. 2008.PMID: 18939606
Zhang Y, van Dijk MA, Liu M, Zhu G, Qin B.Zhang Y, et al.Water Res. 2009 Oct;43(18):4685-97. doi: 10.1016/j.watres.2009.07.024. Epub 2009 Jul 25.Water Res. 2009.PMID: 19665748