No abstract available
MeSH terms
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Administration, Inhalation
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Adrenal Cortex Hormones / therapeutic use*
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Adrenergic beta-Agonists / therapeutic use*
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Anti-Inflammatory Agents / therapeutic use
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Humans
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Patient Dropouts
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Pulmonary Disease, Chronic Obstructive / drug therapy*
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Pulmonary Disease, Chronic Obstructive / mortality
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Research Design
Substances
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Adrenal Cortex Hormones
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Adrenergic beta-Agonists
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Anti-Inflammatory Agents