Effects of sub-dose ketamine combined with total intravenous anesthesia on cognitive function and serum pro-inflammatory cytokine levels in elderly patients undergoing laparoscopic cholecystectomy

Zhu Zhihua, Cong Zaihong, Liu Aixia, et al.

Journal of Practical Hepatology . 2018, (5): 773 -776 . DOI: 10.3969/j.issn.1672-5069.2018.05.030