1. Health, United States, 2012: With Special Feature on Emergency Care;National Center for Health Statistics,2013
2. Healthcare Cost and Utlization Project. National Emergency Department dataset, 2010. Available at: http://hcupnet.ahrq.gov. Accessed August 12, 2013.
3. The influence of insurance status on nonurgent pediatric visits to the emergency department;Fong;Acad Emerg Med,1999
4. Massachusetts Division of Health Care Finance and Policy. Massachusetts health care cost trends: efficiency of emergency department utilization in Massachusetts. Document 12-236-HCF-05. Available at, http://www.mass.gov/chia/docs/cost-trend-docs/cost-trends-docs-2012/emergency-department-utilization.pdf. Accessed November 19, 2014.
5. Emergency department overuse: perceptions and solutions;Adams;JAMA,2013