No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Adolescent
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Asthma / drug therapy*
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Bronchitis / drug therapy
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Child
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Child, Preschool
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Histamine / therapeutic use*
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Humans
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Infant
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Placebos
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Time Factors
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gamma-Globulins / therapeutic use*
Substances
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Placebos
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gamma-Globulins
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Histamine