(Q51717361)
Statements
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Cough and phlegm are important predictors of health status in smokers without COPD. (English)
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Yvonne F Heijdra
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Victor M Pinto-Plata
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Lawrence A Kenney
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John Rassulo
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Bartolome R Celli
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1 May 2002
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121
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5
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1427-1433
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Identifiers
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