1. Introduction Chronic Obstructive Pulmonary Disease (COPD) is a major public health problem affecting 1:10 adults in Western Society, and increasing in prevalence globally. COPD is a leading cause of burden of disease.
1. IntroductionChronic Obstructive Pulmonary Disease (COPD) is a major public health problem affecting 1:10 adults in Western Society, and increasing in prevalence globally. COPD is a leading cause of burden of disease.