No abstract available
MeSH terms
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Ampicillin / therapeutic use
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Bacteroides Infections / drug therapy
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Bacteroides Infections / etiology*
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Bacteroides fragilis
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Ear, Inner / microbiology
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Humans
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Male
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Mastoiditis / etiology*
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Meningitis / etiology*
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Middle Aged
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Penicillin Resistance
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Skull Fractures / complications*