(Q47698479)
Statements
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Epidemiological relationships between the common cold and exacerbation frequency in COPD. (English)
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J R Hurst
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G C Donaldson
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T M A Wilkinson
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W R Perera
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J A Wedzicha
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1 November 2005
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26
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5
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846-852
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Identifiers
1 reference