1. Albert HB, Manniche C (2005) Modic changes the prevalence and relationship to lumbar disc herniation. A possible new pathogenesis of low back pain (abstract, 7th annual meeting of the Spine Society of Europe, Barcelona, Spain). Eur Spine J 14(suppl. 1), ref. type: abstract
2. Bjørner JB, Damsgaard MT, Watt T, Bech P, Rasmussen NK, Kristensen TS, Modvig J, Thunedborg K (1997) Dansk manual til SF36. Et spørgeskema om helbredsstatus
3. Boden SD, Davis DO, Dina TS, Patronas NJ, Wiesel SW (1990) Abnormal magnetic-resonance scans of the lumbar spine in asymptomatic subjects. A prospective investigation. J Bone Joint Surg Am 72(3):403–408
4. Bogduk N (1997) Clinical anatomy of the lumbar spine and sacrum, 3rd edn. Churchill Livingstone, London
5. Buchanan HM, Midgley JA (1987) Evaluation of pain threshold using a simple pressure algometer. Clin Rheumatol 6(4):510–517