- DEA Intelligence Report: https://www.dea.gov/sites/default/files/2020-03/DEA_GOV_DIR-008-20%20Fentanyl%20Flow%20in%20the%20United%20States_0.pdf
- New York Post: https://nypost.com/2023/03/22/flesh-rotting-drug-tranq-spreads-to-48-us-states-dea-alert/
- NPHIC: https://nphic.org/news/featured-topics/1316-new-opioid-is-stronger-than-fentanyl
- DEA: https://www.dea.gov.gov/factsheet/fentanyl
- CDC: https://www.cdcfoundation.org/
- Fox News: https://www.foxnews.com/us/fentanyl-overdoses-leading-cause-death-adults
- Dope Sick is a great mini-series on Hulu: https://www.imdb.com/title/tt9174558
