SAT0124 Comparative safety and efficacy of transdermal fentanyl (durogesic®) and sustained-release oral morphine (ms contin®) in patients with chronic non-cancer pain: results of a large, multicenter, randomised, crossover trial
SAT0124 Comparative safety and efficacy of transdermal fentanyl (durogesic®) and sustained-release oral morphine (ms contin®) in patients with chronic non-cancer pain: results of a large, multicenter, randomised, crossover trial