Williams, PhD, MS, R., Bosnic, BA, N., Duncan, PhD, MS, A. W., Brogan, BA, M., & Cook, PhD, S. F. (2018). Prevalence of opioid dispensings and concurrent gastrointestinal medications in an elderly population from Ontario, Canada. Journal of Opioid Management, 4(4), 193–200. https://doi.org/10.5055/jom.2008.0025