Evaluation of the mass measles vaccination campaign in Guangdong Province, China.
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N. Xu | Wei Chen | G. Peng | Jin-yan Lin | Huizhen Zheng | Z. Peng | Qun He | Chenggang Wu | Y. Zhang | Jun Shu | Qiu Tan | Zhi-qiang Peng | Z. Zhao | Li Lin | Hui-Hong Deng | Guo-wen Peng