Efficacy and safety of opioids for osteoarthritis: a meta-analysis of randomized controlled trials J. Avouac, M.D., L. Gossec, M.D., M. Dougados, M.D. Osteoarthritis and Cartilage Volume 15, Issue 8, Pages 957-965 (August 2007) DOI: 10.1016/j.joca.2007.02.006 Copyright © 2007 Osteoarthritis Research Society International Terms and Conditions
Fig. 1 Articles reporting the efficacy and/or the safety of opioids in osteoarthritis: screening process. Osteoarthritis and Cartilage 2007 15, 957-965DOI: (10.1016/j.joca.2007.02.006) Copyright © 2007 Osteoarthritis Research Society International Terms and Conditions