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- [8] Heavy metals pollution in poultry and livestock feeds and manures under intensive farming in Jiangsu Province, China[J]. CANG Long, WANG Yu jun, ZHOU Dong mei *, DONG Yuan hua (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China. ).Journal of Environmental Sciences. 2004(03)