1. Never Events Framework 2009-10 National Patient Safety Agency 2009 http://www.nrls.npsa.nhs.uk/neverevents/?entryid45=59859
2. Expanding the List of ‘Never Events’ Department of Health 2010 http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_120247
3. National Quality Forum http://www.qualityforum.org
4. Serious Reportable Events in Healthcare National Quality Forum 2002 http://www.qualityforum.org/Publications/2002/06/Serious_Reportable_Events_in_Healthcare.aspx