A breath of fresh air for COPD.
D000206:Actuarial Analysis; D015897:Comorbidity; D006801:Humans; D007352:Insurance, Life; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy / Q000401:mortality*; D016032:Randomized Controlled Trials as Topic; D012129:Respiratory Function Tests; D018570:Risk Assessment / Q000379:methods; D012907:Smoking; D020340:Tobacco Use Cessation