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Journal
Chin J Epidemiol
Volume
23
Issue
3
Pages
172-4
Publication year
2002
Suggested citation
Yan C, Wu S, Shen X, Zhang Y, Jiang F, Yin J, Zhou J, He J, Ao L, Zhang Y, Li R. The trends of changes in children's blood lead levels since the introduction of lead free gasoline in Shanghai. Chin J Epidemiol. 2002; 23(3): 172-4.