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ACE Reports.
Comparative benefits and harms of individual opioids for chronic non-cancer pain: a systematic review and network meta-analysis of randomised trials
Br J Anaesth. 2022 01-Jun;():. 10.1016/j.bja.2022.05.031
Opioids for Chronic Noncancer Pain: A Systematic Review and Meta-analysis
JAMA. 2018;320(23):2448–2460. doi:10.1001/jama.2018.18472