No abstract available
MeSH terms
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Animals
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Antigens, Bacterial
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DNA, Bacterial / analysis
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Drug Resistance, Microbial
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Humans
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Immune Sera
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Mice
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Molecular Biology
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Pneumococcal Infections / immunology
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Polysaccharides, Bacterial / analysis
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Rabbits
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Rats
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Streptococcus
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Streptococcus pneumoniae*
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Transformation, Genetic*
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Virulence
Substances
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Antigens, Bacterial
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DNA, Bacterial
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Immune Sera
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Polysaccharides, Bacterial