Analgesic efficacy and tolerability of transdermal buprenorphine in patients with inadequately controlled chronic pain related to cancer and other disorders: a multicenter, randomized, double-blind, placebo-controlled trial.
Analgesic efficacy and tolerability of transdermal buprenorphine in patients with uncontrolled chronic pain related to cancer and other diseases: a multicenter, randomized, double-blind, placebo-controlled trial