(Q36283928)
Statements
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Exacerbation frequency and course of COPD. (English)
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Marc Decramer
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David M G Halpin
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Bartolome Celli
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Steven Kesten
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Dacheng Liu
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Donald P Tashkin
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21 September 2012
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653-661
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1 September 2012
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Identifiers
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