Clinical efficacy of polymyxin B combination therapy in the treatment of carbapenem-resistant gram-negative bacteria sepsis 
WANG Jing, XIN Shaobin, SUN Qiang, MA Wang, QI Yong, WANG Yongming, SHEN Xiang
Tianjin Medical Journal . 2022, (1): 88 -93 .  DOI: 10.11958/20211589