Remimazolam tosilate in patients undergoing upper gastrointestinal endoscopy: a multicenter, randomized, dose-exploration, positive-controlled, parallel-group, phase II trial. - Chen, Shao-Hui; Yuan, Tang-Mi; Zhang, Jiao; Bai, Hua; Tian, Ming; Pan, Chu-Xiong; Bao, Hong-Guang; Min, Su; Jin, Xiao-Ju; Chen, Guo-Zhong; Zhong, Tai-Di; Huang, Yu-Guang (Archives of Medical Science, 2026)