Synergistic antibacterial effects of closantel and its enantiomers in combination with colistin against multidrug resistant gram-negative bacteria oleh Tongyan Ding, Zeyu Guo, Liangxing Fang, Liangxing Fang, Wenying Guo, Yuxi Yang, Yafei Li, Xiarong Li, Xiarong Li, Limin He, Limin He, Limin He, Limin He