No abstract available
MeSH terms
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Adult
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Antibodies, Bacterial / analysis
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Bacteria / classification
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Bacteria / isolation & purification
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Bacterial Infections / immunology
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Bacterial Infections / microbiology*
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Dental Plaque / immunology
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Dental Plaque / microbiology
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Gingiva / microbiology*
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Humans
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Middle Aged
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Periodontitis / etiology
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Periodontitis / immunology
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Periodontitis / microbiology*