1. Department of Health. The NHS cancer plan: a plan for investment, a plan for reform. 2000. Available from URL: https: https://webarchive.nationalarchives.gov.uk/ukgwa/+/www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_4009609 (last accessed 24 April 2023).
2. Cancer Research UK. Cancer waiting times. 2020. Available from URL: https://www.cancerresearchuk.org/about-cancer/cancer-in-general/cancer-waiting-times (last accessed 24 April 2023).
3. Scottish Government and Scottish Primary Care Cancer Group. Scottish referral guidelines for suspected cancer. 2019. Available from URL: https://www.gov.scot/publications/scottish-referral-guidelines-suspected-cancer-january-2019/documents/ (last accessed 24 April 2023).
4. The 2-week rule for suspected head and neck cancer in the United Kingdom: referral patterns, diagnostic efficacy of the guidelines and compliance;McKie;Oral Oncol,2008
5. Two-week rule in head and neck cancer 2000–14: a systematic review;Langton;Br J Oral Maxillofac Surg,2016