The Prevalence of Alpha-1 Antitrypsin Deficiency Among Patients Found to Have Airflow Obstruction
COPD: Journal of Chronic Obstructive Pulmonary Disease | April 16, 2012 | Volume: 9 | Issue: 4 | Pages: 352-358
10.3109/15412555.2012.669433
| PMID 22506682