1. National Institute for Health and Care Excellence (NICE). Patient experience in adult NHS services: improving the experience of care for people using adult NHS services. 2012. Available from: https://www.nice.org.uk/guidance/cg138.
2. Department of Health. Copying letters to patients: good practice guidelines [Report]. 2003. Available from: http://webarchive.nationalarchives.gov.uk/.
3. Department of Health. The NHS Plan: A Plan for Investment a Plan for Reform. London: HMSO; 2000. Available from: http://webarchive.nationalarchives.gov.uk.
4. The Academy of Medical Royal Colleges. Please, write to me: Writing outpatient clinic letters to patients: AOMRC; 2018. https://www.aomrc.org.uk/reports-guidance/please-write-to-me-writing-outpatient-clinic-letters-to-patients-guidance/.
5. Rayner H, Mathers N, Shah R. Writing letters directly to patients puts them at the centre of their care. BMJ Opin. 2018; https://blogs.bmj.com/bmj/2018/01/18/writing-letters-directly-to-patients-puts-patients-at-the-centre-of-their-care/.