No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Airway Obstruction / prevention & control*
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Analysis of Variance
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Asthma / prevention & control*
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Bronchodilator Agents / therapeutic use
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Child
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Chromones / therapeutic use*
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Clinical Trials as Topic
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Cough / prevention & control
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Cromolyn Sodium / therapeutic use
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Evaluation Studies as Topic
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Follow-Up Studies
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Humans
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Physical Exertion
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Placebos
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Spirometry
Substances
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Bronchodilator Agents
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Chromones
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Placebos
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Cromolyn Sodium