No abstract available
Publication types
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Clinical Trial
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Letter
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Randomized Controlled Trial
MeSH terms
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Administration, Oral
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Asthma / drug therapy*
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Bronchodilator Agents / therapeutic use*
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Child
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Clinical Trials as Topic
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Double-Blind Method
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Evaluation Studies as Topic
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Humans
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Random Allocation
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Theophylline / analogs & derivatives*
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Theophylline / therapeutic use
Substances
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Bronchodilator Agents
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etamiphylline
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Theophylline