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Xu C, Liu M, Yang X, Sheng S, Zhang M, Huang Z.Xu C, et al.Environ Monit Assess. 2010 Dec;171(1-4):457-70. doi: 10.1007/s10661-009-1291-0. Epub 2010 Jan 8.Environ Monit Assess. 2010.PMID: 20058069
Dong Y, Liu M, Xu C, Zhang C, Liu Z.Dong Y, et al. Among authors: xu c.Ying Yong Sheng Tai Xue Bao. 2006 Aug;17(8):1408-12.Ying Yong Sheng Tai Xue Bao. 2006.PMID: 17066693Chinese.
Xu C, Liu M, An S, Chen JM, Yan P.Xu C, et al.J Environ Manage. 2007 Nov;85(3):597-606. doi: 10.1016/j.jenvman.2006.08.015. Epub 2007 Jan 17.J Environ Manage. 2007.PMID: 17234324
Xu C, Li Y, Hu J, Yang X, Sheng S, Liu M.Xu C, et al.Environ Monit Assess. 2012 Mar;184(3):1275-86. doi: 10.1007/s10661-011-2039-1. Epub 2011 Apr 6.Environ Monit Assess. 2012.PMID: 21625921
Tang JY, Cao PP, Xu C, Liu MS.Tang JY, et al. Among authors: xu c.Ying Yong Sheng Tai Xue Bao. 2013 Jan;24(1):83-9.Ying Yong Sheng Tai Xue Bao. 2013.PMID: 23717994Chinese.
Chi T, Xu C, Liu MS, Zhang MJ, Yang XJ.Chi T, et al. Among authors: xu c.Ying Yong Sheng Tai Xue Bao. 2013 Oct;24(10):2725-30.Ying Yong Sheng Tai Xue Bao. 2013.PMID: 24483063Chinese.