Seidler A, Liebers F, Latza U. Prävention von Low-Back-Pain im beruflichen Kontext. Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz 2008; 51(3): 322-333(12)
Brennan GP, Fritz JM, Hunter SJ, Thackeray A, Delitto A, Erhard RE. Identifying subgroups of patients with acute/subacute "nonspecific" low back pain: results of a randomized clinical trial. Spine 2006;31: 623-31.
Griffin DW, Harmon DC, Kennedy NM. Do patients with chronic low back pain have an altered level and/or pattern of physical activity compared to healthy individuals? A systematic review of the literature. Physiotherapy. 2012 Mar;98(1):13-23. Epub 2011 Jun 8.