Understanding Chronic Obstructive Pulmonary Disease (COPD#1)
2007 November 28

Chronic obstructive pulmonary disease affects 12 million Americans—most of them smokers. Here, we’ll cover the basics on America’s fourth leading cause of death.Watch More Health Videos at Health Guru: www.healthguru.com
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Understanding Chronic Obstructive Pulmonary Disease (COPD#1)
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