DOI: 10.1055/s-00000059

Pneumologie

References

American Lung Association Epidemiology and Statistics Unit.
Trends in COPD (Chronic Bronchitis and Emphysema): Morbidity and Mortality.
Accessed at:
http://www.lung.org/assets/documents/research/copd-trend-report.pdf. 2013

American Lung Association Epidemiology and Statistics Unit.
Trends in COPD (Chronic Bronchitis and Emphysema): Morbidity and Mortality.
Accessed at:
http://www.lung.org/assets/documents/research/copd-trend-report.pdf. 2013

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