No abstract available
Publication types
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Comparative Study
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English Abstract
MeSH terms
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Adult
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Anti-Bacterial Agents / therapeutic use*
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Brazil
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Carrier State*
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Chloramphenicol / therapeutic use
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Disease Outbreaks*
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Humans
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Immunity
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Male
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Meningococcal Infections / drug therapy
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Meningococcal Infections / epidemiology
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Meningococcal Infections / immunology
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Meningococcal Infections / transmission*
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Military Medicine
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Military Personnel*
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Tonsillectomy*
Substances
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Anti-Bacterial Agents
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Chloramphenicol