References
- Hartz A, Kirchdoerfer E. Undetected fibrositis in primary care practice. J Fam Pract 1987; 25: 365–9
- Wolfe F, Cathey MA. Prevalence of primary and secondary fibrositis. J Rheumatol 1983; 10: 965–8
- Forseth KØ, Gran JT. The prevalence of fibromyalgia among women aged 20–49 years in Arendal, Norway. Scand J Rheumatol 1992; 21: 74–8
- Wolfe F, Smythe H A, Yunus M B, et al. The American College of Rheumatology 1990 criteria for the classification of fibromyalgia. Report of the multicenter criteria committee. Arthritis Rheum 1990; 33: 160–72
- Rasmussen N K, Groth M V, Bredkjâr S R, et al. Healrh and morbidity in Denmark 1987 (In danish). The Danish Institute for Clinical Epidemiology, Copenhagen 1988
- Jacobson L, Lindgärde F, Manthorpe R. The commonest rheumatic complaints of over six weeks duration in a twelve-month period in a defined Swedish population. Scand J Rheumatol 1989; 18: 353–60
- Yunus MB. Fibromyalgia syndrome: A need for uniform classification (Editorial). J Rheumatol 1983; 10: 841–4
- Wolfe F. Selection bias in fibrositis study (Letter). Arthritis Rheum 1982; 25: 1390