Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap
Conditions
- COPD, Emphysema, Asthma COPD Overlap
- Emphysema
Interventions
- OTHER: As above: diagnosis: COPD, Emphysema, Asthma-COPD Overlap
Sponsor
Gelb, Arthur F., M.D.