No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Acute Chest Syndrome / epidemiology*
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Acute Chest Syndrome / etiology
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Anemia, Sickle Cell / complications
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Anemia, Sickle Cell / epidemiology*
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Bronchoconstrictor Agents
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Child
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Child, Preschool
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Female
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Follow-Up Studies
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Humans
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Male
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Methacholine Chloride
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Multivariate Analysis
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Regression Analysis
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Respiratory Hypersensitivity / diagnosis
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Respiratory Hypersensitivity / epidemiology*
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Risk Factors
Substances
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Bronchoconstrictor Agents
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Methacholine Chloride