Estimation of median effective doses and 95% effective doses of oliceridine combined with propofol for day-case hysteroscopy under total intravenous anesthesia with preserved spontaneous breathing: an up-and-down sequential allocation trial. - He, Jiliang; Ma, Yijun; Wang, Keyi; Zhou, Hao; Chen, Ce; Chen, Mengjun; Shen, Zhongen; Gao, Weifeng (BMC Anesthesiology, 2025)