1. World Health Organization. The world health report 2003—shaping the future. Geneva: WHO, 2003.
2. Persson G. Health in Sweden: The National Public Health Report 2001. Oslo: Scandinavian University Press, 2001.
3. Akesson K. Bone and joint diseases around the world. Sweden: a brief update on burden and priority. J Rheumatol Suppl2003;67:38–40.
4. Yelin EH, Trupin LS, Sebesta DS. Transitions in employment, morbidity, and disability among persons aged 51–61 with musculoskeletal and non-musculoskeletal disorders in the US, 1992–1994. Arthritis Rheum1999;42: 769–79.
5. Yelin E. The earnings, income, and assets of persons aged 51–61 with and without musculoskeletal disorders. J Rheumatol1997;24: 2024–30.