Prevalence of Extended-Spectrum β-Lactamase in Escherichia coli Isolates from Food-producing Animals
ZHENG Hong-qing, DENG Yu-ting, HE Liang-ying, YANG Tong, YAO Qiong-fen, TIAN Wei, LIU Jian-hua
Guangdong Key Laboratory for Veterinary Drug Development and Safty Evaluation, College of Veterinary Medicine,South China Agricultural University,Guangzhou 510642,China