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Genotype Distribution of Extended-Spectrum β-Lactamases Produced by Escherichia coli Isolated from the Fowl in Dalian Area of Liaoning
张利勃 刘延庆 高慎阳
Chinese Agricultural Science Bulletin . 2011, (20): 76 -78 .  DOI: 10.11924/j.issn.1000-6850.2011-0230