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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Allergens / immunology
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Anaphylaxis / epidemiology*
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Anaphylaxis / etiology
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Anaphylaxis / immunology
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Child, Preschool
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Female
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Humans
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Incidence
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Male
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United States / epidemiology