Schaafsma F, Schonstein E, Ojajärvi A, Verbeek J. Physical conditioning programs for improving work outcomes among workers with back pain. Scand J Work Environ Health. 2010 Aug 9. [Epub ahead of print]
Pollock ML, Leggett SH, Graves JE, Jones A, Fulton M, Cirulli J. Effect of resistance training on lumbar extension strength. Am J Sports Med 1989;17:624-629.
Demyttenaere K, Bruffaerts R, Lee S, Posada-Villa J, Kovess V, Angermeyer MC, et al. Mental disorders among persons with chronic back or neck pain: results from the World Mental Health Surveys. Pain. 2007;129:332–342. doi: 10.1016/j.pain.2007.01.022
Patrick LE, Altmaier EM, Found EM. Long-term Outcomes in Multidisciplinary Treatment of Chronic Low Back Pain: Results of a 13-Year Follow-up. Spine 2004; 29(8):850-855.
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.