http://www.attn.com/stories/13706/opioid-sales-being-pushed-into-international-market
ATTN: – 12/20/2016
https://www.cdc.gov/media/releases/2016/p1216-continuing-opioid-epidemic.html
CDC NEWSROOM – 12/16/2016
http://www.medpagetoday.com/psychiatry/addictions/61691
MEDPAGE TODAY – 11/26/2016