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Chu, Haitao; Gange, Stephen J.; Li, Xiuhong; More
Chu, Haitao; Gange, Stephen J.; Li, Xiuhong; Hoover, Donald R.; Liu, Chenglong; Chmiel, Joan S.; Jacobson, Lisa P. Less
Epidemiology. 21(4):S25-S34, July 2010.