(Q34558280)
Statements
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Positive benefits of theophylline in a randomized, double-blind, parallel-group, placebo-controlled study of low-dose, slow-release theophylline in the treatment of COPD for 1 year (English)
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Nanshan Zhong
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Pixin Ran
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Yumin Zhou
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Xiaoping Wang
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Xiangyi Zeng
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Rong Qiu
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Junfeng Xie
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Shengming Liu
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Jingping Zheng
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1 September 2006
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11
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5
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603-610
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Identifiers
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