Lapane, PhD, K. L., Quilliam, PhD, B. J., Benson, MS, C., Chow, PharmD, MPH, W., & Kim, PhD, MBA, M. S. (2013). Gastrointestinal events after opioid treatment in nonmalignant pain: Correlates of occurrence and impact on health-related quality of life. Journal of Opioid Management, 9(3), 205—216. https://doi.org/10.5055/jom.2013.0161