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Peng Y, Yu DS, Liang D, Zhu G.Peng Y, et al. Among authors: yu ds.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2004;39(7):1667-80. doi: 10.1081/ese-120037868.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2004.PMID: 15242117
Zhou T, Yu DS, Li J, Wu GD, Wang XJ.Zhou T, et al.Huan Jing Ke Xue. 2017 Dec 8;38(12):5162-5168. doi: 10.13227/j.hjkx.201705233.Huan Jing Ke Xue. 2017.PMID: 29964577Chinese.