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Effect of β-Lactamase Location in Escherichia coli on Penicillin Synergy

Resistance to ampicillin in Escherichia coli is due generally to the presence of a β-lactamase (penicillinase). Resistant strains have been found to fall into two groups: those with high-level resistance (1,000 μg/ml or greater) and those with low-level resistance (8 to 250 μg/ml). Most of the high-...

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Bibliographic Details
Main Author: Neu, Harold C.
Format: Artigo
Language:Inglês
Published: 1969
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC377810/
https://ncbi.nlm.nih.gov/pubmed/4894721
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