Source

National Center for Health Statistics. Health, United States, 2014: With Special Feature on Adults Aged 55-64. Hyattsville, MD. 2015. https://www.cdc.gov/nchs/data/hus/hus14.pdf. Accessed June 2018.

https://www.cdc.gov/mmwr/volumes/65/rr/rr6501e1.htm?s_cid=rr6501e1_w https://www.cdc.gov/nchs/data/hus/hus14.pdf

Centers for Disease Control and Prevention: Morbidity and Mortality Weekly Report: CDC Guidelines for Prescribing Opioids for Chronic Pain - United States, 2016. Published March 2016. Accessed June 2018.

https://www.cdc.gov/mmwr/volumes/65/rr/rr6501e1.htm?s_cid=rr6501e1_w