Randomized Controlled Trial
Analgesic efficacy and tolerability of oxycodone 5 mg/ibuprofen 400 mg compared with those of oxycodone 5 mg/acetaminophen 325 mg and hydrocodone 7.5 mg/acetaminophen 500 mg in patients with moderate to severe postoperative pain: a...
Clin Ther. 2005 Apr 1;27(4):418-29.
Review
Effectiveness of opioids in the treatment of chronic non-cancer pain.
Pain Physician. 2008 Mar 1;11(2 Suppl):S181-200.
Multicenter Study
Pharmacological approach to chronic visceral pain. Focus on oxycodone controlled release: an open multicentric study.
Eur Rev Med Pharmaco. 2010 Mar 1;14(3):185-90.