No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Child, Preschool
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Female
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Humans
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Incidence
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Infant
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Infant, Newborn
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Latex Fixation Tests
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Male
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Pneumococcal Infections / diagnosis
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Pneumococcal Infections / epidemiology*
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Pneumococcal Infections / microbiology
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Poland / epidemiology
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Polymerase Chain Reaction
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Prospective Studies
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Serotyping
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Streptococcus pneumoniae / classification*