No abstract available
MeSH terms
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Anti-Bacterial Agents / pharmacology*
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DNA / analysis
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Drug Resistance, Microbial
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Electrophoresis, Agar Gel
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Ethidium / pharmacology*
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Microbial Sensitivity Tests
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Molecular Weight
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Plasmids / drug effects*
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Proteus / drug effects*
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Proteus / isolation & purification
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R Factors / drug effects*
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Urine / microbiology
Substances
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Anti-Bacterial Agents
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DNA
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Ethidium