References
- Sjøgren P, Ekholm O, Peuckmann V, et al. Epidemiology of chronic pain in Denmark: an update. Eur J Pain 2009;13:287-92
- Eriksen J, Jensen MK, Sjøgren P, et al. Epidemiology of chronic non-malignant pain in Denmark. Pain 2003;106:221-8
- Breivik H, Collett B, Ventafridda V, et al. Survey of chronic pain in Europe: prevalence, impact on daily life, and treatment. Eur J Pain 2006;10:287-333
- Kronborg C, Handberg G, Axelsen F. Health care costs, work productivity and activity impairment in non-malignant chronic pain patients. Eur J Health Econ 2009;10:5-13
- Treede RD, Jensen TS, Campbell JN, et al. Neuropathic pain: redefinition and a grading system for clinical and research purposes. Neurology 2008;70:1630-5
- Merskey H, Bogduk N, eds. Part III: Pain terms, a current list with definitions and notes on usage. In: Classification of Chronic Pain, 2nd edn. Seattle: IASP Press, 1994
- Bach FW. Neuropatiske smerter. Ugeskr Læger 2006;168:1964-9
- Bliddal H, Danneskiold-Samsøe B. Chronic widespread pain in the spectrum of rheumatological diseases. Best Pract Res Clin Rheumatol 2007;21:391-402
- Arendt-Nielsen L, Graven-Nielsen T. Central sensitization in fibromyalgia and other musculoskeletal disorders. Curr Pain Headache Rep 2003;7:355-61
- Staud R. Fibromyalgia pain: do we know the source? Curr Opin Rheumatol 2004;16:157-63
- Hans G, Masquelier E, De CockP. The diagnosis and management of neuropathic pain in daily practice in Belgium: an observational study. BMC Public Health 2007;7:1-13
- Freynhagen R, Baron R, Gockel U, et al. PainDETECT: a new screening questionnaire to identify neuropathic components in patients with back pain. Curr Med Res Opin 2006;22:1911-20
- Gwilym SE, Keltner JR, Warnaby CE, et al. Psychophysical and functional imaging evidence supporting the presence of central sensitization in a cohort of osteoarthritis patients. Arthritis Rheum 2009;61:1226-34
- Steegers MA, Snik DM, Verhagen AF, et al. Only half of the chronic pain after thoracic surgery shows a neuropathic component. J Pain 2008;9:955-61