No abstract available
MeSH terms
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Anti-Bacterial Agents / economics*
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Anti-Bacterial Agents / therapeutic use
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Bronchodilator Agents / economics*
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Bronchodilator Agents / therapeutic use
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Cost of Illness*
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Glucocorticoids / economics*
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Glucocorticoids / therapeutic use
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Health Care Costs*
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Humans
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Morbidity / trends
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Pulmonary Disease, Chronic Obstructive / drug therapy
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Pulmonary Disease, Chronic Obstructive / economics*
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Pulmonary Disease, Chronic Obstructive / epidemiology
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Recurrence
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Survival Rate / trends
Substances
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Anti-Bacterial Agents
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Bronchodilator Agents
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Glucocorticoids