Stanway, G W A preliminary investigation comparing pre-operative morphine and buprenorphine for postoperative analgesia and sedation in cats. [electronic resource] - Veterinary anaesthesia and analgesia Jan 2002 - 29-35 p. digital Publication Type: Journal Article ISSN: 1467-2995 Standard No.: 10.1046/j.1467-2987.2001.00062.x doi