Characterization of carbapenem-resistant Acinetobacter baumannii isolates in a Chinese teaching hospital oleh Yaowen eChang, Guangxin eLuan, Ying eXu, Yanhong eWang, Min eShen, Chi eZhang, Wei eZheng, Jinwei eHuang, Jingni eYang, Xu eJia, Baodong eLing