Blinderman, MD, MA, C. D., R. Sekine, MD, B. Zhang, MS, M. Nillson, MS, and L. Shaiova, MD. “Methadone As an Analgesic for Patients With Chronic Pain in Methadone Maintenance Treatment Programs (MMTPs)”. Journal of Opioid Management, vol. 5, no. 2, Jan. 2018, pp. 107-14, doi:10.5055/jom.2009.0012.