Axelrod, MD, JD, David J., and Barbara Reville, MS, CRNP. “Using Methadone to Treat Opioid-Induced Hyperalgesia and Refractory Pain”. Journal of Opioid Management 3, no. 2 (March 1, 2007): 113–114. Accessed April 19, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/1175.