1. British Heart Foundation. CVD Statistics—BHF UK Factsheet. London: BHF; 2018.
2. Multi-disciplinary valve clinics with devolved surveillance: a two-year audit
3. NHS Digital. Hospital Episode Statistics for England. Outpatient statistics, 2015–2016. London: NHS Digital; 2016.
4. NHS Digital. NHS Outcomes Framework 2017/18 Indicator and Domain Summary Table. London: NHS Digital; 2017.
5. The Health and Social Care Information Centre. HES Analysis: Main specialty by attendance type. London: The Health and Social Care Information Centre; 2011.