1. Katz J. Drug deaths in America are rising faster than ever. The New York Times. June 5, 2017. Available from: https://www.nytimes.com/interactive/2017/06/05/upshot/opioid-epidemic-drug-overdose-deaths-are-rising-faster-than-ever.html. [cited 2019 Feb 1].
2. The burden of opioid-related mortality in the United States;T Gomes;JAMA Network Open,2018
3. Centers for Disease Control and Prevention. Drug Overdose Mortality by State; 2019. Available from: https://www.cdc.gov/nchs/pressroom/sosmap/drug_poisoning_mortality/drug_poisoning.htm. [cited 2019 Jun 5].
4. Anstead A. Hamilton County coroner: Fatal opioid overdoses rise for third straight year. WCPO. Mar 2, 2018. Available from: https://www.wcpo.com/news/local-news/hamilton-county/hamilton-county-coroner-fatal-opioid-overdoses-rise-for-third-straight-year. [cited 2019 Feb 1].