Dinges, MD, H.-C., Schubert, MD, A.-K., Rücker, PhD, G., Otto, MD, S., Waldmann, Dipl Ing Agr, S., Wiesmann, MD, T., Wulf, MD, H., Eberhart, MD, MA, L. and Gehling, MD, M. 2022. Equianalgesic potency ratios of opioids used in patient-controlled analgesia: A network meta-analysis. Journal of Opioid Management. 18, 6 (Nov. 2022), 567–586. DOI:https://doi.org/10.5055/jom.2022.0751.