Hamann, PhD, MD S, Sloan, MD P. Oral naltrexone to enhance analgesia in patients receiving continuous intrathecal morphine for chronic pain: A randomized, double-blind, prospective pilot study. J of Opioid Management [Internet]. 2007 May 1 [cited 2024 Apr. 27];3(3):137-44. Available from: https://wmpllc.org/ojs/index.php/jom/article/view/1178