1. A proactive response to prescription opioid abuse;Califf;N Engl J Med,2016
2. Current perspectives on the opioid crisis in the US healthcare system: A comprehensive literature review;Stoicea;Medicine (Baltimore),2019
3. National Institute on Drug Abuse. Overdose death rates. Available at:https://www.drugabuse.gov/related-topics/trends-statistics/overdose-death-rates. Accessed March 19, 2020.
4. Davenport S, Weaver A, Caverly M. Economic impact of non-medical opioid use in the United States: Annual estimates and projections for 2015 through 2019. Available at: http://www.soa.org/globalassets/assets/files/resources/research-report/2019/econ-impact-non-medical-opioid-use.pdf. Accessed March 20, 2020.
5. Centers for Disease Control and Prevention. U.S. opioid prescribing rate maps. Available at: https://www.cdc.gov/drugoverdose/maps/rxrate-maps.html. Accessed March 20, 2020.