title: Intraoperative ketamine and chronic opioid use: less pain, more morphine?
authors.forename: Richard D
authors.initials: RD
authors.lastname: Seigne
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000008:administration & dosage; D002908:Chronic Disease; D005500:Follow-Up Studies; D006801:Humans; D007430:Intraoperative Care / Q000379:methods*; D007649:Ketamine / Q000627:therapeutic use*; D009020:Morphine / Q000008:administration & dosage*; D009293:Opioid-Related Disorders / Q000150:complications*; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D007649:Ketamine; D009020:Morphine