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Chronic Obstructive Pulmonary Disease (COPD)

What Are the Different Stages of COPD?

Chronic obstructive pulmonary disease, or COPD, is a progressively worsening disease that causes difficulty breathing. The disease...
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COPD: End-of-Life Symptoms

Chronic obstructive pulmonary disease -- COPD -- is a medical term used to describe a collection of lung diseases that include emp...
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