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β-Lactamases in Ampicillin-Resistant Escherichia coli Isolates from Foods. resistance mechanisms in pathogenic and nonpathogenic isolates of E. coli (46). new/5593-1-11088.php The presence of antibiotic resistance genes in the 17 E. coli strains was analyzed by. All strains were ampicillin resistant, and for eight of them, the minimal. Ampicillin Mexico Pediatric Ampicillin Resistance Mechanism Of Action. Antibiotics To Help Stop Smoking Ampicillin Is Resistant In E Coli ||||||
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