1. World Health Organization (WHO). (2007). Call for more research on patent safety. http://www. who.int/mediacentre/news/releases/ 2007 accessed 1/1/2014.
2. Patient safety the nurse’s role in the unexpected event;Alcan,2012
3. Patient safety: Achieving a new standard for care;Institute of Medicine (IOM),2004
4. ‘To Err Is Human... Patient safety initiatives for EMS;Robinson;J Emergency Nurs,2002