1. Baurlein V Campo-Flores A . The VA hooked veterans on opioids, then failed them again. www.wsj.com/articles/the-va-hooked-veterans-on-opioids-then-failed-them-again-1483030270 (accessed 2017 Feb 15).
2. Increases in drug and opioid-involved overdose deaths—United States, 2010– 2015;Rudd;MMWR,2016
3. Fentanyl and a novel synthetic opioid U-47700 masquerading as street “Norco” in central California: a case report;Armenian;Ann Emerg Med,2017
4. Multiple fentanyl overdoses—New Haven, Connecticut, June 23, 2016;Tomassoni;MMWR,2017
5. Addressing the fentanyl threat to public health;Frank;N Engl J Med,2017