​ Conditions: Chronic Obstructive Pulmonary Disease; Pulmonary Emphysema; Airway Obstruction

Interventions: Diagnostic Test: Volumetric HRCT chest; Diagnostic Test: Spirometry and Body Plethysmography

Sponsors: Mansoura University

Completed Conditions: Chronic Obstructive Pulmonary Disease; Pulmonary Emphysema; Airway Obstruction
Interventions: Diagnostic Test: Volumetric HRCT chest; Diagnostic Test: Spirometry and Body Plethysmography
Sponsors: Mansoura University
Completed