This is a systematic review that meets the criteria for inclusion on DARE.

Carstensen M, Moller AM. Adding ketamine to morphine for intravenous patient-controlled analgesia for acute postoperative pain: a qualitative review of randomized trials. British Journal of Anaesthesia 2010; 104(4): 401-406

Subject indexing assigned by NLM

Acute Disease; Analgesia, Patient-Controlled /methods; Analgesics /administration & Double-Blind Method; Drug Combinations; Humans; Infusions, Intravenous; Ketamine /administration & Morphine /administration & Pain Measurement /methods; Pain, Postoperative /prevention & Randomized Controlled Trials as Topic; control; dosage; dosage; dosage

12010003229

15/09/2010