No abstract available
MeSH terms
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Cost of Illness
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Humans
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Pulmonary Disease, Chronic Obstructive / classification
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Pulmonary Disease, Chronic Obstructive / diagnosis*
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Pulmonary Disease, Chronic Obstructive / etiology
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Pulmonary Disease, Chronic Obstructive / therapy*
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Respiration, Artificial
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Risk Factors
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Severity of Illness Index
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Smoking Cessation
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Tobacco Smoke Pollution / adverse effects
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Tobacco Smoke Pollution / prevention & control