AndersenK., & RødbroeI. (2000). Identifikation af medfødt døvblindhed—et diagnosticeringsmateriale [Identification of congenital deaf-blindness—A toolbox]. Aalborg, Denmark: Videnscenter for Døvblindfødte.
2.
CooperS. (1997). High prevalence of dementia among people with learning disabilities not attributable to Down's syndrome. Psychological Medicine, 27, 609–616.
3.
DammeyerJ. (2010). Prevalence and aetiology of congenitally deafblind people in Denmark. International Journal of Audiology, 49, 76–82.
4.
Danish Resource Centre on Congenital Deaf-blindness. (2003). Aldringsprocesser og Senmanifestationer—En dansk undersøgelser af voksne døvblindfødte [Aging processes and late manifestations in adults who are congenitally deaf-blind in Denmark]. Aalborg, Denmark: Videnscenter for Døvblindfødte.
5.
Danish Resource Centre on Congenital Deaf-blindness. (2004). Kortlœgning af medfødt døvblindhed[A Danish survey on congenital deaf-blindness]. Aalborg, Denmark: Videnscenter for Døvblindfødte.
LaforgeR. G., SpectorW. D., & SternbergJ. (1992). The relationship of vision and hearing impairment to one-year mortality and functional decline. Journal of Aging and Health, 4, 126–148.
10.
LinM. Y., GutierrezP. R., StoneK. L., YaffeK., EnsrudK. E., FinkH. A. (2004). Vision impairment and combined vision and hearing impairment predict cognitive and functional decline in older women. Journal of the American Geriatrics Society, 52, 1996–2002.
11.
MaaskantM. A. (1993). Mental handicap and ageing.Dwingeloo, the Netherlands: Kavanah.
12.
NafstadA., & RødbroeI. (1999). Co-creating communication: Perspectives on diagnostic education for individuals who are congenitally deafblind and individuals whose impairments may have similar effects.Aalborg, Denmark: Nord-Press.
RødbroeI., & JanssenM. (2008). Communication and congenital deafblindness I: Congenital deafblindness and the core principles of intervention.Aalborg, Denmark: Materialecentret.
15.
RødbroeI., & SouriauJ. (1999). Communication. In McInnesJ. M. (Ed.), A guide to planning and support individuals who are deafblind (pp. 119–165). Toronto: University of Toronto Press.
16.
SeverJ. L., SouthM. A., & ShaverK. A. (1985). Delayed manifestations of congenital rubella. Reviews of Infectious Diseases, 7, S164–S169.
17.
SouriauJ., RødbroeI., & JanssenM. (2008). Communication and congenital deafblindness III: Meaning making.Aalborg, Denmark: Materialecentret.