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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
- Roberto de Marco,
- Giancarlo Pesce,
- Alessandro Marcon,
- Simone Accordini,
- Leonardo Antonicelli,
- Massimiliano Bugiani,
- Lucio Casali,
- Marcello Ferrari,
- Gabriele Nicolini,
- Maria Grazia Panico
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- Published: May 10, 2013
- https://doi.org/10.1371/journal.pone.0062985
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