title: Increased variation of the response index of nociception during noxious stimulation in patients during general anaesthesia.
authors.affiliation: University of Tampere, Medical School, Tampere, Finland.
authors.forename: Tia J M
authors.initials: TJ
authors.lastname: Sarén-Koivuniemi
authors.forename: Arvi M
authors.initials: AM
authors.lastname: Yli-Hankala
authors.forename: Mark J
authors.initials: MJ
authors.lastname: van Gils
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000768:Anesthesia, General; D004562:Electrocardiography; D004569:Electroencephalography; D005260:Female; D013509:Gynecologic Surgical Procedures / Q000379:methods; D006801:Humans; D008875:Middle Aged; D059225:Nociception; D017156:Photoplethysmography; D055815:Young Adult