Can epidemiological studies determine the productivity-related burden of COPD?
- PMID: 28931671
- DOI: 10.1183/13993003.01515-2017
Can epidemiological studies determine the productivity-related burden of COPD?
Conflict of interest statement
Conflict of interest: None declared.
Comment on
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Unemployment in chronic airflow obstruction around the world: results from the BOLD study.Eur Respir J. 2017 Sep 20;50(3):1700499. doi: 10.1183/13993003.00499-2017. Print 2017 Sep. Eur Respir J. 2017. PMID: 28931661 Free PMC article.
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