1. Kaiser Family Foundation. State Health Facts: Retail Prescription Drugs Filled at Pharmacies (Annual per Capita), 2011. Source: SDI Health, LLC: Special Data Request, 2012. Accessed Jan 7, 2014. http://www.statehealthfacts.org/comparemaptable.jsp?ind=267&cat=54.
2. Committee on Identifying and Preventing Medication Errors, Institute of Medicine,2007
3. US Food and Drug Administration (FDA). Medication Error Reports. 2009. Accessed Jan 9, 2014. (Updated: Mar 5, 2009.) http://www.fda.gov/Drugs/DrugSafety/MedicationErrors/ucm080629.htm.
4. Medication compliance research: Still so far to go;Wertheimer;J Appl Res Clin Exp Ther.,2003
5. Committee on Quality of Health Care in America, Institute of Medicine,2000