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Guerra B, Junker E, Schroeter A, Malorny B, Lehmann S, Helmuth R. Phenotypic and genotypic characterization of antimicrobial resistance in German Escherichia coli isolates from cattle, swine and poultry. J Antimicrob Chemother. 2003 Sep;52(3):489–92. doi: 10.1093/jac/dkg362. PMID: 12888584. |