1. National Confidential Enquiry into Patient Outcome and Death . Emergency admissions: a journey in the right direction? 2007. Available: https://www.ncepod.org.uk/reports.html
2. National Confidential Enquiry into Patient Outcome and Death . Inspiring change a review of the quality of care provided to patients receiving acute non-invasive ventilation, 2017. Available: https://www.ncepod.org.uk/reports.html [Accessed 14 Jan 2022].
3. Department of Health . Comprehensive critical care: a review of adult critical care services, 2000. Available: http://webarchive.nationalarchives.gov.uk/+/http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_4006585 [Accessed 10 Jan 2022].
4. National Institute for Health and Care Excellence . Surveillance report, acutely ill adults in hospital: recognising and responding to deterioration, 2016. Available: https://www.nice.org.uk/guidance/cg50/resources/surveillance-report-2016-acutely-ill-adults-in-hospital-recognising-and-responding-to-deterioration-2007-nice-guideline-cg50-2419022845/chapter/Surveillance-decision?tab=evidence [Accessed 10 Jan 2022].
5. National Institute for Health and Care Excellence . Acutely ill adults in hospital: recognising and responding to deterioration, 2007. Available: https://www.nice.org.uk/guidance/cg50/resources/acutely-ill-adults-in-hospital-recognising-and-responding-to-deterioration-pdf-975500772037 [Accessed 05 Jan 2022].