No abstract available
Publication types
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Comparative Study
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English Abstract
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Antibodies, Viral / analysis
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Antibody Formation
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Italy
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Male
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Middle Aged
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Poliomyelitis / immunology*
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Poliomyelitis / prevention & control
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Poliovirus / immunology
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Poliovirus Vaccine, Oral / administration & dosage*
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Rural Population
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Time Factors
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Urban Population
Substances
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Antibodies, Viral
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Poliovirus Vaccine, Oral