Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: National Heart, Lung, and Blood Institute and World Health Organization Global Initiative for Chronic Obstructive Lung Disease (GOLD): executive summary.

Diagnostic Techniques, Respiratory System/standards Disease Progression Forecasting Humans Lung Diseases, Obstructive/diagnosis,prevention & control,therapy National Institutes of Health (U.S.) Primary Prevention/standards Research/trends Risk Assessment Severity of Illness Index United States World Health Organization