1. Organisation WHO The Atlas of Heart Disease and Stroke, 2004 Organisation WHO http://www.who.int/cardiovascular_diseases/resources/atlas/en/
2. A model for costs of stroke services;Sundberg;Health Policy.,2003
3. Alvik A. S. Helsetilsyn S Scenario 2030. Sykdomsutviklingen for eldre fram til 2030 1999 https://www.helsetilsynet.no/upload/Publikasjoner/utredningsserien/2030_sykdomsutvikling_eldre_ik-2696.pdf
4. [Stroke-similar incidence, better prognosis];Ellekjaer;Tidsskrift for den Norske laegeforening: tidsskrift for praktisk medicin, ny raekke,2007
5. Prevalence of stroke and stroke-related disability;Wyller;Stroke,1998