No abstract available
MeSH terms
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Child
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Child, Preschool
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Haemophilus influenzae type b / isolation & purification*
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Humans
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Meningitis, Haemophilus / diagnosis
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Meningitis, Haemophilus / epidemiology*
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Meningitis, Haemophilus / microbiology
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Papua New Guinea / epidemiology
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Vaccination / statistics & numerical data*