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Wei H, Li KB, Tong SP, Liu WP.Wei H, et al. Among authors: tong sp.Huan Jing Ke Xue. 2004 Jan;25(1):154-7.Huan Jing Ke Xue. 2004.PMID: 15330443Chinese.
Wei H, Tong SP, Wang HY, Liu WP.Wei H, et al. Among authors: tong sp.J Environ Sci (China). 2004;16(6):925-7.J Environ Sci (China). 2004.PMID: 15900721
Tong S, Shi R, Zhang H, Ma C.Tong S, et al.J Environ Sci (China). 2010;22(10):1623-8. doi: 10.1016/s1001-0742(09)60298-9.J Environ Sci (China). 2010.PMID: 21235195
Zhang H, Shi R, Zang XJ, Tong SP, Ma CA.Zhang H, et al. Among authors: tong sp.Huan Jing Ke Xue. 2010 Mar;31(3):715-9.Huan Jing Ke Xue. 2010.PMID: 20358832Chinese.
Tong S, Zhao S, Lan X, Ma C.Tong S, et al.J Environ Sci (China). 2011;23(12):2087-92. doi: 10.1016/s1001-0742(10)60675-4.J Environ Sci (China). 2011.PMID: 22432342
Shen T, Zhang X, Lin KA, Tong S.Shen T, et al.Sci Total Environ. 2020 Feb 10;703:134983. doi: 10.1016/j.scitotenv.2019.134983. Epub 2019 Nov 2.Sci Total Environ. 2020.PMID: 31726301