No abstract available
MeSH terms
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Child, Preschool
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Haemophilus Vaccines*
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Haemophilus influenzae type b / immunology*
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Haemophilus influenzae type b / pathogenicity
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Humans
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Infant
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Meningitis, Haemophilus / epidemiology
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Meningitis, Haemophilus / microbiology
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Netherlands
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United Kingdom