1. Lopez de Munain A. Incidencia del cáncer en la comunidad autónoma de Euskadi, 2013. Vitoria-Gasteiz: Departamento de Salud, Servicio de Registros e Información Sanitaria. Available from: http://www.osakidetza.euskadi.eus/contenidos/informacion/estado_salud/es_5463/adjuntos/INFORME_Bilingue_2013nuevo.pdf.
2. Department of Health and Consumer Affairs. Cancer in the Basque Country. Incidence, mortality, survival and their trends. 1st edn. Gasteiz: Eusko Jaurlaritzaren Argitalpen Zerbitzu Nagusia, 2010. Available from: http://www.osakidetza.euskadi.eus/contenidos/informacion/estado_salud/es_5463/adjuntos/cancer_en.pdf.
3. von Karsa L, Anttila A, Ronco G, Ponti A, Malila N, Arbyn M, Segnan N, Castillo-Beltran M, Boniol M, Ferlay J. Report on the implementation of the Council Recommendation on cancer screening. Available from: http://ec.europa.eu/health/ph_determinants/genetics/documents/cancer_screening.pdf.
4. Ministry of Health and Consumer Affairs. The National Health System Cancer Strategy. Ministerio de Sanidad y Consumo: Madrid, 2006. Available from: http://www.msc.es/organizacion/sns/planCalidadSNS/docs/NHS_cancerStrategy.pdf.
5. Ministry of Health, Social Services and Equality. The National Health System Cancer Strategy. Madrid: Ministerio de Sanidad y Consumo, 2009. Available from: http://www.msssi.gob.es/organizacion/sns/planCalidadSNS/pdf/Cancer_Strategy_of_the_Spanish_2009.pdf.