No abstract available
Publication types
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Editorial
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Historical Article
MeSH terms
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Child
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History, 20th Century
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Humans
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Poliomyelitis / epidemiology*
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Poliomyelitis / history
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Poliomyelitis / prevention & control*
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Poliovirus Vaccine, Inactivated* / history
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United States
Substances
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Poliovirus Vaccine, Inactivated