No abstract available
MeSH terms
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Bronchodilator Agents / therapeutic use*
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Humans
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Ipratropium / therapeutic use*
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Muscarinic Antagonists / therapeutic use*
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Parasympathectomy*
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Pulmonary Disease, Chronic Obstructive / drug therapy
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Pulmonary Disease, Chronic Obstructive / surgery*
Substances
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Bronchodilator Agents
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Muscarinic Antagonists
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Ipratropium