Bell, R F Perioperative ketamine for acute postoperative pain. [electronic resource] - The Cochrane database of systematic reviews Jan 2006 - CD004603 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD004603.pub2 doi Subjects--Topical Terms: Analgesics--adverse effectsHumansInfusions, Intravenous--methodsKetamine--adverse effectsPain, Postoperative--drug therapyPostoperative Nausea and Vomiting--chemically inducedRandomized Controlled Trials as Topic