1. (1991). Practical Statistics for Medical Research. London: Chapman and Hall.
2. Boverket (2000) Handbok i bostadsanpassningsbidraget. [Handbook on Housing Adaptation Grants. In Swedish]. Karlskrona, Sweden: C.E. Fritzes and Boverket.
3. Boverket (2003). Bostadsanpassningsbidragen 2003. [Housing Adaptation Grants 2003. In Swedish]. Karlskrona, Sweden: Boverket.
4. Satisfaction with rollators among community-living users: a follow-up study
5. Canadian Association of Occupational Therapists (1997). Enabling Occupation. Ottawa, ON: CAOT.