[Blood lead level of children in the urban areas in China]

Qi Q, Yang Y, Yao X, Ding L, Wang W, Liu Y, Chen Y, Yang Z, Sun Y, Yuan B, Yu C, Han L, Liu X, Hu X, Liu Y, Du Z, Qu L, Sun F. [Blood lead level of children in the urban areas in China]. Chin J Epidemiol. 2002; 23(3): 162-6.