*Goodnough, Abby; Katz, Josh; Sanger-Katz, Margot (July 17, 2019). [https://www.nytimes.com/interactive/2019/07/17/upshot/drug-overdose-deaths-fall.html Drug Overdose Deaths Drop in U.S. for First Time Since 1990]. ''The New York Times''. Retrieved July 17, 2019. | *Goodnough, Abby; Katz, Josh; Sanger-Katz, Margot (July 17, 2019). [https://www.nytimes.com/interactive/2019/07/17/upshot/drug-overdose-deaths-fall.html Drug Overdose Deaths Drop in U.S. for First Time Since 1990]. ''The New York Times''. Retrieved July 17, 2019. |