Authors: Cai, Wen-De, Zhao, Jin, Zhao, Jin-Kou, Raymond, H F, Feng, Yu-Ji, Liu, Jie, McFarland, Willi, Gan, Yong-Xia, Yang, Zheng-Rong, Zhang, Yan, Tan, Jing-Guang, Wang, Xiao-Rong, He, Ming-Liang, Cheng, Jin-Quan, Chen, Lin
Subject Terms: Epidemiology
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Authors: Cai, Wen-De, Zhao, Jin, Zhao, Jin-Kou, Raymond, Henry Fisher, Feng, Yu-Ji, Liu, Jie, McFarland, Willi, Gan, Yong-Xia, Yang, Zheng-Rong, Zhang, Yan, Tan, Jing-Guang, He, Ming-Liang, Wang, Xiao-Rong, Chen, Lin, Cheng, Jin-Quan
Subject Terms: Original articles
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Relation: http://sti.bmj.com/cgi/content/short/sti.2009.037440v1; http://dx.doi.org/10.1136/sti.2009.037440