No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Abdominal Pain / epidemiology
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Adolescent
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Asthma / epidemiology
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Boston / epidemiology
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Child
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Child Health Services / statistics & numerical data*
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Child, Preschool
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Connecticut / epidemiology
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Craniocerebral Trauma / epidemiology
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Emergency Service, Hospital / statistics & numerical data
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Health Services Accessibility / statistics & numerical data
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Hospitalization / statistics & numerical data*
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Humans
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Infant
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Meningitis / epidemiology
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Meningitis, Bacterial / epidemiology
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New York / epidemiology
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Organizational Policy
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Poisoning / epidemiology
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Poverty
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Primary Health Care / statistics & numerical data