No abstract available
MeSH terms
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Adrenergic beta-Agonists / therapeutic use
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Airway Obstruction / diagnosis
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Airway Obstruction / etiology
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Cholinergic Antagonists / therapeutic use
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Evidence-Based Medicine
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Humans
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Oxygen Inhalation Therapy
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Practice Guidelines as Topic*
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Pulmonary Disease, Chronic Obstructive / complications
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Pulmonary Disease, Chronic Obstructive / drug therapy*
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Pulmonary Disease, Chronic Obstructive / therapy*
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Societies, Medical
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Spirometry / statistics & numerical data*
Substances
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Adrenergic beta-Agonists
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Cholinergic Antagonists