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2. Jönsson, L (1999). ‘The importance of the walker for elderly women living in their home environment’, Hjälpmedelsinstitutet (The Swedish Handicap Aids Institute), Box 510, 162 15 Vällingby, Sweden. Order no 99203.
3. Jönsson, L (2001). ‘A follow-up study to a three-year investigation of the importance of the walker for elderly women living in their home environment’, Hjälpmedelsinstitutet (currently in translation).