1. Results and data: 2011 main residency match,2011
2. Centers for Disease Control and Prevention, National Center for Health Statistics. National Hospital Ambulatory Medical Care Survey: 2008 emergency department summary tables. Available at: http://www.cdc.gov/nchs/data/ahcd/nhamcs_emergency/nhamcsed2008.pdf. Accessed March 10, 2015.
3. Trends and characteristics of US emergency department visits, 1997-2007;Tang;JAMA,2010
4. Centers for Disease Control and Prevention, National Center for Health Statistics. National Hospital Ambulatory Medical Care Survey: 2011 Emergency Department Summary Tables. Available at: http://www.cdc.gov/nchs/data/ahcd/nhamcs_emergency/2011_ed_web_tables.pdf. Accessed March 10, 2015.
5. A study of the work-force in emergency medicine, 2007;Counselman;Am J Emerg Med,2009