COPD (Chronic Obstructive Pulmonary Disease) Update

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

09/20/2013 01:03 PM EDT

Source: American Thoracic Society - PDF
09/20/2013 01:03 PM EDT

Source: American Thoracic Society - PDF
09/20/2013 01:03 PM EDT

Source: Centers for Disease Control and Prevention