No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Bacterial Typing Techniques*
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Humans
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Infant
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Pneumococcal Infections / epidemiology*
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Pneumococcal Infections / microbiology*
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Serotyping
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South America / epidemiology
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Streptococcus pneumoniae / classification*
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Streptococcus pneumoniae / isolation & purification