Hodges P, van den Hoorn W, Dawson A, Cholewicki J. Changes in the mechanical properties of the trunk in low back pain may be associated with recurrence. Journal of biomechanics 2009;42(1):61-66.
Lundberg M, Frennered K, Hägg O, Jorma SJ. The Impact of Fear-Avoidance Model Variables on Disability in Patients With Specific- or Non-Specific Chronic Low Back Pain. Spine 2011, POST ACCEPTANCE, 17 January 2011 doi: 10.1097/BRS.0b013e3181f61660
Ulrike Ravens-Sieberer, Torbjorn Torsheim, Jorn Hetland, Wilma Vollebergh und Franco Cavallo, et al. Subjective health, symptom load and quality of life of children and adolescents in Europe. Int J Public Health 54 (2009): 151–159
Stafford MA, Peng P; Hill DA. Sciatica: a review of history, epidemiology, pathogenesis, and the role of epidural steroid injection in management. Br J Anaesth. 2007; 99(4):461-473.