(Q39733718)
Statements
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Prevalence of physician-diagnosed COPD and its association with smoking among urban and rural residents in regional mainland China (English)
1 reference
Fei Xu
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XiaoMei Yin
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Min Zhang
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HongBing Shen
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LinGeng Lu
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YaoChu Xu
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1 October 2005
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Identifiers
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