COPD (Chronic Obstructive Pulmonary Disease) Update

New on the MedlinePlus COPD (Chronic Obstructive Pulmonary Disease) page:

09/13/2012 08:00 PM EDT

Source: American College of Chest Physicians - PDF
09/13/2012 08:00 PM EDT

Source: American College of Sports Medicine - PDF
09/13/2012 08:00 PM EDT

Source: American Thoracic Society