Sackner, MD, M. A., J. R. Lopez, MD, V. Banderas, BA TR, and J. A. Adams. MD. “Holistic Approach to Opioid Use Disorder: Think Nitric Oxide!”. Journal of Opioid Management, vol. 15, no. 6, Nov. 2019, pp. 521-55, doi:10.5055/jom.2019.0543.