title: Clarification required regarding results of morphine PCA/ketamine trial.
authors.forename: Maria
authors.initials: M
authors.lastname: Armstrong
mesh_terms: D016058:Analgesia, Patient-Controlled; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D006801:Humans; D007649:Ketamine / Q000008:administration & dosage*; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D000701:Analgesics, Opioid; D007649:Ketamine; D009020:Morphine