No abstract available
Publication types
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Clinical Trial
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English Abstract
MeSH terms
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Acetylcholine
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Adolescent
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Asthma / diagnosis*
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Bronchi / drug effects
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Bronchial Provocation Tests
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Bronchial Spasm / chemically induced*
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Bronchial Spasm / prevention & control
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Child
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Child, Preschool
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Clinical Trials as Topic
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Drug Evaluation
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Female
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Histamine
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Humans
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Male
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Nifedipine / administration & dosage
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Nifedipine / pharmacology*
Substances
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Histamine
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Nifedipine
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Acetylcholine