No abstract available
MeSH terms
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Anti-Bacterial Agents*
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Cephalosporins*
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Chemistry, Pharmaceutical*
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Escherichia coli*
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Klebsiella*
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Penicillins*
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Pharmacology*
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Proteus*
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Research*
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Salmonella typhimurium*
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Staphylococcus*
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Streptococcus pyogenes*
Substances
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Anti-Bacterial Agents
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Cephalosporins
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Penicillins
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7-aminodesacetoxycephalosporanic acid