Fospropofol disodium versus Propofol for deep sedation in critically ill patients: a randomized pilot study. - Gao, Xuehui; Gao, Chenggang; Fang, Xiangzhi; Ren, Lehao; Zhang, Hongling; Tang, Yun; Yuan, Yin; Qi, Hong; Shu, Huaqing; Zou, Xiaojing; Yang, Xiaobo; Shang, You (BMC Anesthesiology, 2025)