No abstract available
MeSH terms
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Ampicillin / pharmacology
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Anti-Bacterial Agents / pharmacology*
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Chloramphenicol / pharmacology
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Drug Synergism*
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Escherichia coli / drug effects*
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Kanamycin / pharmacology
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Penicillin Resistance
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Proteus / drug effects*
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Tetracycline / pharmacology
Substances
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Anti-Bacterial Agents
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Kanamycin
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Chloramphenicol
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Ampicillin
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Tetracycline