title: Pain assessment in critically ill patients.
authors.forename: Li-Ping
authors.initials: LP
authors.lastname: Wang
authors.forename: Guo-Zhong
authors.initials: GZ
authors.lastname: Chen
authors.forename: Wen-Xian
authors.initials: WX
authors.lastname: Li
mesh_terms: D016292:Procedural Sedation; D016638:Critical Illness; D054810:Deep Sedation; D006801:Humans; D007362:Intensive Care Units; D010147:Pain Measurement / Q000379:methods*; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D012121:Respiration, Artificial