No abstract available
Publication types
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Letter
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Randomized Controlled Trial
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Research Support, Non-U.S. Gov't
MeSH terms
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Administration, Inhalation
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Adrenergic beta-2 Receptor Agonists / therapeutic use*
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Bronchodilator Agents / therapeutic use*
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Humans
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Pulmonary Disease, Chronic Obstructive / drug therapy*
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Pulmonary Disease, Chronic Obstructive / physiopathology*
Substances
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Adrenergic beta-2 Receptor Agonists
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Bronchodilator Agents