No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Controlled Clinical Trial
MeSH terms
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Asthma / drug therapy
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Asthma / therapy*
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Clinical Trials as Topic
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Ephedrine / therapeutic use
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Humans
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Phenobarbital / therapeutic use
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Plants, Medicinal*
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Theophylline / therapeutic use
Substances
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Theophylline
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Ephedrine
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Phenobarbital