1. University of Southern California Department of Emergency Medicine: History http://keck.usc.edu/en/Education/Academic_Department_and_Divisions/Department_of_Emergency_Medicine/About_the_Department_of_Emergency_Medicine/History.aspx
2. ACEP is;Mills;JACEP.,1972
3. International Federation for Emergency Medicine What is emergency medicine? http://medicine.yale.edu/emergencymed/whatis.aspx
4. ACEP Emergency Medicine and The Vietnam Experience http://www.acep.org/content.aspx?id=38738