1. Lafond S (2015) Funding Overview. Current NHS Spending in England. The Health Foundation. January 2015. [cited 2017; Available from
http://www.health.org.uk/sites/health/files/FundingOverview_CurrentNHSSpendingInEngland.pdf
]
2. HSE (2014) Annual Report and Financial Statements 2014. Health Services Executive, Ireland
3. Hegarty J, Savage E, Andrews T, Walshe N, McCarthy B, Saab M, Drummond FJ, Forde M, Breen D, Henn P, Murphy A, Cronin J, Whelan R (2016) A systematic review of the clinical & economic literature and a budget impact analysis of any new guideline recommendations to inform the planned update of National Clinical Guideline No. 1—National Early Warning Score (NEWS) for the Irish health system. University College Cork, Ireland
4. Alam N, Hobbelink EL, Van Tienhoven AJ, Van De Ven PM, Jansma EP, Nanayakkara PWB (2014) The impact of the use of the Early Warning Score (EWS) on patient outcomes: a systematic review. Resuscitation 85:587–594
5. Bannard-Smith J, Abbas S, Ingleby S, Fullwood C, Jones S, Eddleston J (2015) Use of an electronic early warning score and mortality for patients admitted out of hours to a large teaching hospital. Crit Care 19:P408