1. Epidemiological guidelines for quality assurance in cervical cancer screening;Anttila,2008
2. Ronco G, vonKarsa L, Anttila A. Chapter 7. Key performance indicators. In: Arbyn M, Anttila A, Jordan J, et al., editors. European guidelines for quality assurance on cervical cancer screening. 2nd ed. Brussels: European Community; 2nd edition. Luxembourg: Office for Official Publications of the European Communities; 2008.
3. Cervical screening programme, England, 2006–7, NHS Information Centre, October 2007.
4. NHSCSP. Quality assurance guidelines for the cervical screening programme. NHSCSP Publication No. 3, January 1996.
5. .