Seidler, A., Bolm-Audorff, U., Heiskel, H., Henkel, N., Roth-Küver, B., Kaiser, U., ... & Elsner, G. The role of cumulative physical work load in lumbar spine disease: risk factors for lumbar osteochondrosis and spondylosis associated with chronic complaints. Occupational and environmental medicine, 58(11), 735-746.
Seidler, A., Euler, U., Bolm-Audorff, U., Ellegast, R., Grifka, J., Haerting, J., ... & Kuss, O. Physical workload and accelerated occurrence of lumbar spine diseases: risk and rate advancement periods in a German multicenter case-control study. Scandinavian journal of work, environment & health, 30-36.
DITCHEN, D., et al. Abschätzung von lumbalen Bandscheiben-Druckkräften in BK-2108-Verfahren. Zentralblatt für Arbeitsmedizin, Arbeitsschutz und Ergonomie, 2014, 64.4: 258-269.
James T. Wassell, Lytt I. Gardner, Douglas P. Landsittel, Janet J. Johnston, Janet M. Johnston. A Prospective Study of Back Belts for Prevention of Back Pain and Injury. JAMA. 2000;284 (21):2727-2732.