An epidemiologic survey on blood lead levels in preschool children living in towns of Hunan Province
JI Geng-Zhong, DENG Fang-Ming, WU Xin-Yin, LI Qing-Xiang, SONG Jian-Hui, LI Wen-Hai, YIN Fei
中国当代儿科杂志 . 2010, (08): 645 -649 .