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2. Higham S, Horwitz S, Rich S. 76 billion opioid pills: newly released federal data unmasks the epidemic. Washington Post 2019 Jul 16. https://www.washingtonpost.com/investigations/76-billion-opioid-pills-newly-released-federal-data-unmasks-the-epidemic/2019/07/16/5f29fd62-a73e-11e9-86dd-d7f0e60391e9_story.html (Login needed)
3. Kornfield M, Higham S, Rich S. Inside the sales machine of the “kingpin” of opioid makers. Washington Post 2022 May 10. https://www.washingtonpost.com/investigations/interactive/2022/mallinckrodt-documents-doctors-sales/
4. Hayes S. The fatal “blues.” Law Enforcement Bull 2023 Jun 6. https://leb.fbi.gov/articles/featured-articles/the-fatal-blues
5. State of California Department of Justice, Office of the Attorney General. National opioids settlements—information for California cities and counties. 2021. https://oag.ca.gov/opioids