(Q33687065)
Statements
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Risk factors in chronic obstructive pulmonary malfunction and "chronic bronchitis" symptoms in Beijing district: a joint study between Japan and China (English)
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Yamaguchi S
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Kano K
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Shimojo N
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Sano K
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Xu XP
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Watanabe H
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Kameyama M
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Santamaria MJ
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Liu SJ
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Wang LH
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1 March 1989
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1-6
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Identifiers
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