title: Area difference ratio for assessing nociceptive balance during laryngoscopy and intubation under intravenous anaesthesia: preliminary investigation of a novel photoplethysmographic variable.
authors.affiliation: From the Department of Anaesthesia, Women's Hospital, School of Medicine (YF, XC, FF) and Key Laboratory of Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering (HC), Zhejiang University, Hangzhou and Shanghai Medical Instrumentation College (WX), University of Shanghai for Science & Technology, Shanghai, China, and Department of Anaesthesiology and Intensive Care Medicine (BB), University Hospital Schleswig-Holstein, Campus Kiel, Schleswig-Holstein, Germany.
authors.forename: Ying
authors.initials: Y
authors.lastname: Feng
authors.forename: Xinzhong
authors.initials: X
authors.lastname: Chen
authors.forename: Xuan
authors.initials: X
authors.lastname: Wang
authors.forename: Feng
authors.initials: F
authors.lastname: Fu
authors.forename: Hang
authors.initials: H
authors.lastname: Chen
authors.forename: Berthold
authors.initials: B
authors.lastname: Bein
mesh_terms: D000771:Anesthesia, Intravenous / Q000379:methods*; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods*; D007828:Laryngoscopy / Q000379:methods*; D059225:Nociception / Q000502:physiology; D010147:Pain Measurement / Q000379:methods*; D017156:Photoplethysmography / Q000379:methods