No abstract available
MeSH terms
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Aged, 80 and over
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Escherichia coli / enzymology*
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Escherichia coli / isolation & purification
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Humans
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Klebsiella Infections / microbiology
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Klebsiella pneumoniae / enzymology*
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Klebsiella pneumoniae / pathogenicity
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Male
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beta-Lactamases / genetics
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beta-Lactamases / metabolism*
Substances
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beta-Lactamases
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oxacillinase