1. Improving outcomes in head and neck cancers;National Institute for Clinical Excellence,2004
2. Improving outcomes: a strategy for cancer;Department of Health,2011
3. Head and neck cancer clinical quality performance indicators;Scottish Cancer Taskforce,2016
4. National head and neck cancer audit;Healthcare Quality Improvement Partnership,2014
5. 30 and 90 day mortality after 40,670 courses of external beam radiotherapy in unselected patients;Seabag-Montefiori,2011