Intraoperative targeted blood pressure management and dexmedetomidine on composite complications in moderate-to-high risk patients after major abdominal surgery - Qiongfang Wu; Haifeng Wang; Meilin Li; Wenjun Hu; Shuting He; Yanling Sun; Dongliang Mu; Daniel I. Sessler; Dongxin Wang; Jing Ni (Chinese Medical Journal)