Related references
Note: Only part of the references are listed.Systematic review: Opioid treatment for chronic back pain: Prevalence, efficacy, and association with addiction
Bridget A. Martell et al.
ANNALS OF INTERNAL MEDICINE (2007)
Methodological issues in clinical trials of opioids for chronic pain
N Katz
NEUROLOGY (2005)
Placebo response in clinical trials of depression and its implications for research on chronic neuropathic pain
RH Dworkin et al.
NEUROLOGY (2005)
Duloxetine, 60 mg once daily, for major depressive disorder: A randomized double-blind placebo-controlled trial
MJ Detke et al.
JOURNAL OF CLINICAL PSYCHIATRY (2002)
Duloxetine in the treatment of major depressive disorder: A double-blind clinical trial
DJ Goldstein et al.
JOURNAL OF CLINICAL PSYCHIATRY (2002)