REFERENCES
- http://oas.samhsa.gov/NSDUH/2k10NSDUH/tabs/Sect7peTabs1to21.pdf.
- Detailed tables: national estimates, drug-related emergency department visits for 2004–2009. Available at: http://dawninfo.samhsa.gov/data/. Accessed October 19, 2011.
- http://www.fda.gov/Drugs/DrugSafety/InformationbyDrugClass/ucm252649.htm. Accessed September 8, 2011.