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George, MD, J. A.; Lin, MD, E. E.; Hanna, MD, M. N.; Murphy, MD, J. D.; Kumar, MD, K.; Ko, BS, P. S.; Wu, MD, C. L. The Effect of Intravenous Opioid Patient-Controlled Analgesia With and Without Background Infusion on Respiratory Depression: A Meta-Analysis. J of Opioid Management 2018, 6, 47-54.