Mannino, MD, Rosemarie, Patrick Coyne, MSN, APRN, Craig Swainey, MD, Lea Ann Hansen, PharmD, and Laurie Lyckholm, MD. 2006. “Methadone for Cancer-Related Neuropathic Pain: A Review of the Literature”. Journal of Opioid Management 2 (5):269-76. https://doi.org/10.5055/jom.2006.0040.