Research Article: Impact of COPD Exacerbations and Burden of Disease in Spain: AVOIDEX Study
Introduction:
Chronic obstructive pulmonary disease (COPD) causes airflow obstruction, which is not fully reversible. According to the World Health Organization (WHO), it is estimated that . million people died of COPD in , which corresponds to .% of deaths globally. The WHO predicts that COPD will become the third leading cause of death worldwide by . In addition, COPD was reported to be the fourth leading cause of death in Spain in .
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