1. Adverse events and near miss reporting in the NHS;Shaw;Quality and Safety in Health Care,2005
2. The development of the national reporting and learning system in England and Wales, 2001-2005;Williams;Medical Journal of Australia,2006
3. 3National Patient Safety Agency. http://www.npsa.nhs.uk/nrls/reporting/what-is-a-patient-safety-incident/(accessed 10/06/2009).