No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Child
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Child, Preschool
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Cohort Studies
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DNA, Viral / isolation & purification
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Humans
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Infant, Newborn
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Infectious Disease Transmission, Vertical
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Middle Aged
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Neoplasms / etiology
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Neoplasms / virology*
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Poliovirus Vaccine, Inactivated / adverse effects
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Poliovirus Vaccine, Inactivated / chemistry*
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Risk Factors
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Simian virus 40 / isolation & purification*
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Tumor Virus Infections / epidemiology*
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Vaccination / adverse effects
Substances
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DNA, Viral
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Poliovirus Vaccine, Inactivated