1. Disparate systems, disparate data: integration, interfaces, and standards in emergency medicine information technology;Barthell;Acad Emerg Med,2004
2. Data elements for emergency department systems: a summary report;Pollock;J Emerg Nurs,1998
3. U.S. National Center for Injury Prevention and Control. Data elements for emergency department systems, release 1.0 Atlanta, GA: Centers for Disease Control; 1997.
4. Emergency Care Special Interest Group. Health Level Seven. Available at:http://www.hl7.org/. Accessed Apr 11, 2006.
5. The nature of lexical knowledge;McCray;Meth Inform Med,1998