Vacaflor, B. E., O. Beauchet, G. E. Jarvis, A. Schiavetto, and S. Rej. “Mental Health and Cognition in Older Cannabis Users: A Review”. Canadian Geriatrics Journal, Vol. 23, no. 3, Sept. 2020, pp. 237-44, doi:10.5770/cgj.23.399.