Schinas, MSc, A., Nanji, BSc, S., Vorobej, MSc, K., Mills, MSc, C., Govier, BSc, D., & Setnik, PhD, B. (2019). Key characteristics and habits of the recreational opioid user. Journal of Opioid Management, 15(6), 507–520. https://doi.org/10.5055/jom.2019.0542