No abstract available
Publication types
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Comparative Study
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Asthma / drug therapy
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Child
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Child Behavior / drug effects*
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Child, Preschool
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Double-Blind Method
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Female
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Humans
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Infant
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Learning / drug effects*
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Male
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Theophylline / adverse effects*