Eberhart, MD, L., T. Koch, MSc, P. Kranke, MD, D. Rüsch, MD, A. Torossian, MD, and S. Nardi-Hiebl, MBA. “Activity-Based Cost Analysis of Opioid-Related Nausea and Vomiting Among Inpatients”. Journal of Opioid Management, vol. 10, no. 6, Nov. 2014, pp. 415-22, doi:10.5055/jom.2014.0238.