1. Increases in drug and opioid overdose deaths-United States, 2000-2014;Rudd;Morb Mortal Wkly Rep,2016
2. 2. Buchanich JM, Balmert LC, Burke DS. Exponential Growth of The USA Overdose Epidemic. bioRxiv 39961 [Preprint]. 2017. https://doi.org/10.1101/134403
3. 3. Centers for Disease Control and Prevention. 2018 Annual Surveillance Report of Drug-Related Risks and Outcomes-United States. Surveillance Special Report. Centers for Disease Control and Prevention, U.S. Department of Health and Human Services. Available from: https://www.cdc.gov/drugoverdose/pdf/pubs/2018-cdc-drug-surveillance-report.pdf. Accessed 2020 Feb 20.
4. Overdose deaths involving opioids, cocaine, and psychostimulants-United States, 2015-2016;Seth;Morb Mortal Wkly Rep,2018
5. 5. Substance Abuse and Mental Health Services Administration. Drug Abuse Warning Network. 2011: National Estimates of Drug-Related Emergency Department Visits. Available from: http://www.samhsa.gov/data/sites/default/files/DAWN2k11ED/DAWN2k11ED/DAWN2k11ED.pdf. Accessed 2020 Feb 20.