McCleane, MD, Gary. “Cholecystokinin Antagonists: Can They Augment Opioid-Derived Analgesia?”. Journal of Opioid Management 1, no. 5 (November 1, 2005): 273–279. Accessed November 22, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/1083.