No abstract available
MeSH terms
- Air Pollution / adverse effects
- Cost of Illness
- Humans
- Occupational Exposure / adverse effects
- Pulmonary Disease, Chronic Obstructive* / diagnosis
- Pulmonary Disease, Chronic Obstructive* / epidemiology
- Pulmonary Disease, Chronic Obstructive* / etiology
- Risk Factors
- Smoking / adverse effects
- alpha 1-Antitrypsin Deficiency / complications