1. Catchpole K Clinical Human Factors group website 2010 http://chfg.org/definition/towards-a-working-definition-of-human-factors-in-healthcare
2. Health Select Committee Patient Safety http://www.parliament.the-stationery-office.co.uk/pa/cm200809/cmselect/cmhealth/151/15102.htm
3. Patient safety and simulation-based medical education;Ziv;Med Teach,2000