No abstract available
MeSH terms
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Ampicillin / pharmacology*
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Anti-Bacterial Agents / administration & dosage
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Chloramphenicol / pharmacology*
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Depression, Chemical
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Edetic Acid / pharmacology*
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Escherichia coli / drug effects*
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Penicillin Resistance / drug effects*
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Penicillins / pharmacology*
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Proteus / drug effects*
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Pseudomonas aeruginosa / drug effects*
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Tetracycline / pharmacology*
Substances
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Anti-Bacterial Agents
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Penicillins
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Chloramphenicol
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Ampicillin
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Edetic Acid
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Tetracycline