1. Ahmad F. B. Cisewski J. A. Rossen L. M. & Sutton P. (2023). Provisional drug overdose death counts. National Center for Health Statistics. https://www.cdc.gov/nchs/nvss/vsrr/drug-overdose-data.htm
2. The Opioid-Overdose Crisis and Fentanyl: The Role of Online Information Seeking via Internet Search Engines
3. U.S. And states ramp up response to opioid crisis: Regulatory, legislative, and legal tools brought to bear;Barlas S.;P& T: A Peer-Reviewed Journal for Formulary Management,2017
4. Concentrated Burdens: How Self-Interest and Partisanship Shape Opinion on Opioid Treatment Policy
5. Bestvater, S., Shah, S., Rivero, G., & Smith, A. (2022, June 16). Politics on twitter: One-third of tweets from U.S. adults are political. In Pew Research Center - U.S. Politics & Policy. https://www.pewresearch.org/politics/2022/06/16/politics-on-twitter-one-third-of-tweets-from-u-s-adults-are-political/