No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
MeSH terms
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Anti-Asthmatic Agents / therapeutic use*
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Asthma / chemically induced
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Asthma / complications
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Asthma / diagnosis*
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Asthma / drug therapy
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Bronchial Hyperreactivity / chemically induced*
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Bronchial Hyperreactivity / drug therapy
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Bronchial Hyperreactivity / etiology
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Bronchial Provocation Tests*
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Bronchoconstrictor Agents
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Child
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Humans
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Methacholine Chloride
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Multicenter Studies as Topic
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Randomized Controlled Trials as Topic
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Treatment Outcome
Substances
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Anti-Asthmatic Agents
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Bronchoconstrictor Agents
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Methacholine Chloride