Effects of different doses of ketamine intravenous anesthesia on the early#br# cognitive function after segmental mastectomy #br#
LI Xiang-qian, BING Yan-chun, YANG Wan-rong, WANG Hong-min, MA Jing
Tianjin Medical Journal . 2020, (4): 289 -293 .  DOI: 10.11958/20193314