1. Center for Behavioral Health Statistics and Quality 2015 Behavioral health trends in the United States: Results from the 2014 National Survey on Drug Use and Health (HHS Publication No. SMA 15-4927, NSDUH Series H-50) https://www.store.samhsa.gov/product/Behavioral-Health-Trends-in-the-United-States/SMA15-4927 http://www.webcitation.org/6zaJ7WQC2
2. What we know, and don't know, about the impact of state policy and systems-level interventions on prescription drug overdose;Haegerich;Drug Alcohol Depend,2014
3. Oregon Health Authority Oregon Opioid Prescribing Guidelines: Recommendations for the Safe use of Opioid Medications http://www.oregon.gov/obnm/rules/opioidprescribingguidelines.pdf http://www.webcitation.org/6zaKTIfwZ
4. Ohio Governor's Cabinet Opiate Action Team Ohio guidelines for emergency and acute care facility opioid and other controlled substances (OOCS) prescribing http://mha.ohio.gov/Portals/0/assets/Initiatives/GCOAT/Guidelines-ED-Acute-Care.pdf http://www.webcitation.org/6zaKrR9hd
5. The Washington Agency Medical Directors' Group Interagency guideline on opioid dosing for chronic, non-cancer pain http://www.agencymeddirectors.wa.gov/Files/OpioidGdline.pdf http://www.webcitation.org/6zaLIAjej