1. Increases in drug and opioid-involved overdose deaths — United States, 2010–2015;Rudd;MMWR Morb Mortal Wkly Rep,2016
2. Hedegaard H, Warner M, Miniño A. Drug overdose deaths in the United States, 1999-2016. https://www.cdc.gov/nchs/products/databriefs/db294.htm. Accessed January 16, 2018.
3. Major causes of injury, death and life expectancy gap between US and other high income countries;Fenelon;JAMA,2016
4. National Vital Statistics System, Mortality, CDC Wonder,2016
5. In the Arms of Morpheus: The Tragic History of Laudanum, Morphine, and the Patent Medicines;Hodgson,2001