Comparative Study
Opioids and the management of chronic severe pain in the elderly: consensus statement of an International Expert Panel with focus on the six clinically most often used World Health Organization Step III opioids (buprenorphine,...
Pain Pract. 2008 Jul 1;8(4):287-313.
Randomized Controlled Trial
Fentanyl buccal tablet for the relief of breakthrough pain in opioid-tolerant adult patients with chronic neuropathic pain: a multicenter, randomized, double-blind, placebo-controlled study.
Clin Ther. 2007 Apr 1;29(4):588-601.
Review
Systematic review: opioid treatment for chronic back pain: prevalence, efficacy, and association with addiction.
Ann. Intern. Med. 2007 Jan 16;146(2):116-27.