Rieb, L. M., Z. Samaan, A. D. Furlan, K. Rabheru, S. Feldman, L. Hung, G. Budd, and D. Coleman. “Canadian Guidelines on Opioid Use Disorder Among Older Adults”. Canadian Geriatrics Journal, Vol. 23, no. 1, Mar. 2020, pp. 123-34, doi:10.5770/cgj.23.420.