No abstract available
MeSH terms
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Albuterol / administration & dosage*
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Bronchodilator Agents / administration & dosage*
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Humans
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Pulmonary Disease, Chronic Obstructive / drug therapy*
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Scopolamine Derivatives / administration & dosage*
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Tiotropium Bromide
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Treatment Outcome
Substances
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Bronchodilator Agents
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Scopolamine Derivatives
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Albuterol
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Tiotropium Bromide