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The Coexistence of Asthma and Chronic Obstructive Pulmonary Disease (COPD): Prevalence and Risk Factors in Young, Middle-aged and Elderly People from the General Population
de Marco R,
Pesce G,
Marcon A,
Accordini S,
Antonicelli L,
et al.
(2013)
The Coexistence of Asthma and Chronic Obstructive Pulmonary Disease (COPD): Prevalence and Risk Factors in Young, Middle-aged and Elderly People from the General Population.
PLOS ONE 8(5): e62985.
https://doi.org/10.1371/journal.pone.0062985