Date: 2008-10-20 18:00:22

Respiratory therapy

Chronic obstructive pulmonary disease

Smoking

Chest

Respiratory Health Association of Metropolitan Chicago

Obstructive lung disease

Medicine

Pulmonology

Health

American!Association!for!Respiratory!Care!•!American!College!of!Chest!Physicians!•!! American!Lung!Association!•!American!Thoracic!Society!•!COPD!Foundation!•!! National!Association!for!Medical!Direction!of!Res

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