Esketamine/dexmedetomidine–based opioid-free anesthesia and its association with postoperative bowel and cognitive dysfunction after total laparoscopic hysterectomy. - Li, Guohua; Lv, Yingbing; Gao, Song; Yao, Xinyu; Ren, Shaohui; Dong, Liyuan; Li, Xiao (BMC Anesthesiology, 2025)