Callon, BSc, C., Wood, PhD, E., Marsh, MD, D., Li, PhD, K., Montaner, MD, J. and Kerr, PhD, T. 2006. Barriers and facilitators to methadone maintenance therapy use among illicit opiate injection drug users in Vancouver. Journal of Opioid Management. 2, 1 (Jan. 2006), 35–41. DOI:https://doi.org/10.5055/jom.2006.0006.