1. Department for Health. Public Health Outcomes Framework. Secondary Public Health Outcomes Framework. 2012. https://http://www.gov.uk/government/publications/healthy-lives-healthy-people-improving-outcomes-and-supporting-transparency
2. Department of Health. The NHS Outcomes Framework 2015/16. Secondary The NHS Outcomes Framework 2015/16. 2015. https://http://www.gov.uk/government/uploads/system/uploads/attachment_data/file/385749/NHS_Outcomes_Framework.pdf
3. Variability in cardiac arrest survival: the NHS Ambulance Service Quality Indicators;Perkins;Emerg Med J,2012
4. Regional variation in out-of-hospital cardiac arrest incidence and outcome;Nichol;JAMA,2008
5. Use and misuse of process and outcome data in managing performance of acute medical care: avoiding institutional stigma;Lilford;Lancet,2004