Investigation of copper and zinc levels in blood of general population in Liaoning province
TIAN Hao-yuan;ZHANG Yun-jiang;ZHANG Yao-yao;WEI Ming-zhi;WANG Kai;ZHENG Xiao-mei;PANG Yan;HE Yang;ZHANG Yun-li;PAN Xing-fu;YAN Hui-fang;ZHENG Yu-xin;PENG Shan-zhuo;Key Laboratory of Chemical Safety and Health;National Institute of Occupational Health and Poison Control;Chinese Center for Disease Control and Prevention;