References
- Frölund F, Frölund C. Pain in General Practice. Scand J Prim Health Care 1986; 4: 97–100
- Andersson H I, Ejlertsson G, Leden I, Rosenberg C. Chronic pain in a geographically denned general population: studies of differences in age, gender, social class, and pain localization. Clin J Pain 1993; 9: 174–82
- Brattberg G, Thorslund M, Wikman A. The prevalence of pain in a general population. The results of a postal survey in a county of Sweden. Pain 1989; 37: 215–22
- Croft P, Rigby A S, Boswell R, Scholium J, Silman A. The prevalence of chronic widespread pain in the general population. J Rheumatol 1993; 20: 710–3
- Philips H C. Avoidance behaviour and its role in sustaining chronic pain. Behav Res Ther 1987; 25: 273–9
- Potter R G, Jones J M. The evolution of chronic pain among patients with musculoskeletal problems: a pilot study in primary care. Br J Gen Pract 1992; 42: 462–4
- Bates M S, Edwards W T. Ethnic variations in the chronic pain experience. Ethn Dis 1992; 2: 63–83
- Crook J, Weir R, Tunks E. An epidemiological follow-up survey of persistent pain sufferers in a group family practice and specialty pain clinic. Pain 1989; 36: 49–61
- Mc Whinney I R. Changing models: The impact of Kuhn's theory on medicine. Fam Pract 1984; 1: 3–8
- Mitchell D M, Spitz P W, Young D Y, Bloch D A, McShane D J, Fries J F. Survival, prognosis and causes of death in rheumatoid arthritis. Arthritis Rheum 1986; 29: 706–14
- Nilsson B, Danielsson L G, Hernborg J. Clinical feature and natural course of coxartrosis and gonartrosis. Scand J Rheumatol 1980, Suppl 43: 13–21
- Dworkin S, Von F., Korff M, Le Resche L. Multiple pains and psychiatric disturbance. Arch Gen Psychiatry 1990; 47: 239–44
- Yunus M, Masi A T, Calabro J J, Miller K A, Feigenbaum S L. Primary fibromyalgia (fibrositis): Clinical study of 50 patients with matched normal controls. Semin Arthritis Rheum 1981; 11: 151–71
- IASP Subcommittee on Taxonomy. Classification of chronic pain. Pain 1986, Suppl 3: S25–S214
- Altman D G. Practical statistics for medical research. Chapman and Hall, London 1991
- Aarflot T, Laerum E, Bruusgaard D. Uric acid and chronic musculoskeletal complaints. Scand J Rheumatol 1992; 21: 277–82
- Aarflot T, Bruusgaard D. Chronic musculoskeletal complaints and subgroups with special reference to uric acid. Scand J Rheumatol 1994; 23: 25–9
- Mathiassen S E, Winkel J, Sahlin K, Melin E. Biochemical indicators of hazardous shoulder-neck loads in light industry. J Occup Med 1993; 35: 404–7
- Eisinger J, Plantamura A, Ayavou T. Glycolysis abnormalities in fibromyalgia. J Am Coll Nutr 1994; 13: 144–8
- Croft P, Scholium J, Silman A. Population study of tender point counts and pain as evidence of fibromyalgia. BMJ 1994; 309: 696–9
- Bjelle A. Epidemiological aspects of osteo-arthritis. Scand J Rheumatol 1980, Suppl 43: 35–48
- Johansson H, Sojka P. Pathophysiological mechanisms involved in genesis and spread of muscular tension in occupational muscle pain and in chronic musculoskeletal pain syndromes. A hypothesis. Med Hypotheses 1991; 35: 196–203
- Flor H, Fydrich T, Turk D C. Efficacy of multidsciplinary pain treatment centers, a meta-analytic review. Pain 1992; 49: 221–30