No abstract available
MeSH terms
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Acute Disease
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Adolescent
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Asthma / drug therapy*
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Bronchodilator Agents / administration & dosage*
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Child
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Child, Preschool
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Double-Blind Method
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Drug Therapy, Combination
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Hospitalization / statistics & numerical data*
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Humans
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Ipratropium / administration & dosage*
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Nebulizers and Vaporizers
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Prospective Studies
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Randomized Controlled Trials as Topic
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Reproducibility of Results
Substances
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Bronchodilator Agents
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Ipratropium