Friedberg, Barry. (2018). Translational Perioperative and Pain Medicine How Does Routine Anesthesia Care Impact Today’s Opioid Crisis: The Rationale for Opioid Free Anesthesia (OFA). Translational Perioperative and Pain Medicine. 5. 98. 10.31480/2330-4871/077.Remco Vellinga, Laura N. Hannivoort, Michele Introna, Daan J. Touw, Anthony R. Absalom, Douglas J. Eleveld, Michel M.R. F. Struys, Prospective clinical validation of the Eleveld propofol pharmacokinetic-pharmacodynamic model in general anaesthesia, British Journal of Anaesthesia, Volume 126, Issue 2, 2021, Pages 386-394, ISSN 0007-0912, https://doi.org/10.1016/j.bja.2020.10.027. (https://www.sciencedirect.com/science/article/pii/S0007091220308941)