Bell, MHA, Timothy, Kathy Annunziata, MA, and John B. Leslie, MD, MBA. “Opioid-Induced Constipation Negatively Impacts Pain Management, Productivity, and Health-Related Quality of Life: Findings from the National Health and Wellness Survey”. Journal of Opioid Management 5, no. 3 (January 29, 2018): 137–144. Accessed May 1, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/932.