1. Americans for Safe Access. Medical Marijuana Access in the United States, 2018 Annual Report. https://american-safe-access.s3.amazonaws.com/sos2018/2018_State_of_the_States_Report_web.pdf (accessed March 20, 2020).
2. Health Canada. Canadian
Tobacco, Alcohol and Drugs Survey (CTADS): Summary of Results for
2017. https://www.canada.ca/en/health-canada/services/canadian-tobacco-alcohol-drugs-survey/2017-summary.html#n3 (accessed March 20, 2020).
3. Government
of Canada. Recalls and Safety
Alerts. https://www.canada.ca/en/sr/srb/sra.html?dmn=healthycanadians.gc.ca%2Frecall-alert-rappel-avis%2F&allq=cannabis#wb-land (accessed March 20, 2020).
4. National Academy
of Sciences, Engineering, and Medicine. The Health Effects of Cannabis and
Cannabinoids: The Current State of Evidence and Recommendations for
Research, 2017. http://www.nationalacademies.org/hmd/Reports/2017/health-effects-of-cannabis-and-cannabinoids.aspx (accessed March 20, 2020).
5. U.S. Food
and Drug Administration. FDA
and Cannabis: Research and Drug Approval Process,
2020. http://www.fda.gov/NewsEvents/PublicHealthFocus/ucm421163.htm (accessed March 20, 2020).