Contamination and health risks brought by arsenic, lead and cadmium in a water-soil-plant system nearby a non-ferrous metal mining area oleh Jiong-Li Huang, Zhong-You Li, Jing-Ying Mao, Zhi-Ming Chen, Hui-Lin Liu, Gui-Yun Liang, Da-Biao Zhang, Ping-Jing Wen, Zhao-Yu Mo, Yue-Ming Jiang