Evolution of resistance to penicillin an
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Staffan Normark; Frederik Lindberg
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Article
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1985
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John Wiley and Sons
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English
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Bacterial resistance mechanisms to the antibiotics known as p-lactams, which include the penicillins and cephalosporins, can take several forms but frequently involve the production of p-lactamases from either plasrnid-or chromosomallyencoded loci. Gram negative bacteria express a P-lactamase from e