1. To Err Is Human: Building a Safer Health System,1999
2. The Joint Commission: Sentinel Event Policy and Procedures. Jul. 2007. http://www.jointcommission.org/SentinelEvents/PolicyandProcedures/ (last accessed May 19, 2007).
3. The Veterans Affairs root cause analysis system in action;Bagian;Jt Comm J Qual Improv,2002
4. John M. Eisenberg Patient Safety Awards. System innovation: Veterans Health Administration National Center for Patient Safety;Heget;Jt Comm J Qual Improv,2002
5. Achieving a safer health service: Part 3. Investigating root causes and formulating solutions;Woodward;Prof Nurse,2004