Aggarwal, PhD, S. K., Carter, MD, MS, G. T., Sullivan, MD, PhD, M. D., ZumBrunnen, PhD, C., Morrill, PhD, R., & Mayer, PhD, J. D. (2018). Medicinal use of cannabis in the United States: Historical perspectives, current trends, and future directions. Journal of Opioid Management, 5(3), 153–168. https://doi.org/10.5055/jom.2009.0016