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1by Huijing He, Li Pan, Ze Cui, Jixin Sun, Chengdong Yu, Yajing Cao, Ye Wang, Guangliang Shan“... adults in Hebei Province, central China. Using a multi-stage stratified cluster sampling method, 6,552...”
Published 2020-06-01
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2by Kuo Liu, Kuo Liu, Han Cao, Han Cao, Chunyue Guo, Chunyue Guo, Li Pan, Li Pan, Ze Cui, Jixin Sun, Wei Zhao, Xiaoyan Han, Han Zhang, Zhengfang Wang, Kaijun Niu, Naijun Tang, Guangliang Shan, Guangliang Shan, Ling Zhang, Ling Zhang“..., stratified cluster sampling from five cities for the baseline assessment. Participants underwent seven...”
Published 2021-06-01
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