No abstract available
MeSH terms
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Child
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Child, Preschool
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Diphtheria Toxoid / administration & dosage
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Diphtheria-Tetanus Vaccine
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Humans
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Immunization Schedule
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Immunization, Secondary / statistics & numerical data
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Infant
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Italy
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Poliovirus Vaccine, Oral / administration & dosage
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Tetanus Toxoid / administration & dosage
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Vaccination / statistics & numerical data*
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Vaccines, Combined / administration & dosage
Substances
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Diphtheria Toxoid
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Diphtheria-Tetanus Vaccine
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Poliovirus Vaccine, Oral
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Tetanus Toxoid
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Vaccines, Combined