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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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| Format: | Artigo |
| Language: | Inglês |
| Published: |
1969
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC377810/ https://ncbi.nlm.nih.gov/pubmed/4894721 |
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