No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Ampicillin / pharmacology*
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Ampicillin Resistance*
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Enterococcus / drug effects*
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Enterococcus / genetics
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Enterococcus / isolation & purification
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Humans
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Mutation
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Penicillins / pharmacology*