Recovery Research Institute: Addictionary™
https://www.recoveryanswers.org/addiction-ary/
Canadian Centre for Substance Use and Addiction: Opioids
http://www.ccsa.ca/Eng/Opioids/Pages/default.aspx
Centre for Addiction and Mental Health
https://www.camh.ca/
Public Health Ontario: Interactive Opioid Tool
https://www.publichealthontario.ca/en/data-and-analysis/substance-use/interactive-opioid-tool
National Institute on Drug Abuse – Media Guide: How to Find What You Need to Know About Drug Abuse and Addiction
https://www.drugabuse.gov/sites/default/files/mediaguide_web_3_0.pdf