1. Department of Health and Social Science. NHS constitution for England. 2012, updated 2021. https://www.gov.uk/government/publications/the-nhs-constitution-for-england.
2. National Institute for Health and Care Excellence. Shared Decision Making (NICE guideline ng197). 2021. www.nice.org.uk/guidance/ng197.
3. National Institute for Health and Care Excellence. Patient experience in adult NHS services: improving the experience of care for people using adult NHS services (Clinical guideline CG138). 2012. https://www.nice.org.uk/guidance/cg138.