1. Gardner, L.I., Landsittel, D.P., Nelson, N.A.: Risk factors for back injury in 31,076 retail merchandise store workers. Am. J. Epidemiol. 150, 825–833 (1999)
2. Hoogendoorn, W.E., Bongers, P.M., de Vet, H.C.W., Douwes, M., Koes, B.W., Miedema, M.C., Ariens, G.A.M., Bouter, L.M.: Flexion and rotation of the trunk and lifting at work are risk factors for low back pain: results of a prospective cohort study. Spine 25, 3087–3092 (2000)
3. Yeung, S.S., Genaidy, A., Deddens, J., Alhemood, A., Leung, P.C.: Prevalence of musculoskeletal symptoms in single and multiple body regions and effects of perceived risk of injury among manual handling workers. Spine 27, 2166–2172 (2002)
4. Stock, S., Funes, A., Delisle, A., St-Vincent, M., Turcot, A., Messing, K.: Chapitre 7: Troubles musculo-squelettiques: enquête québécoise sur des conditions de travail, d’emploi et de santé et de sécurité du travail (EQCOTESST). IRSST, Montréal, R-691, pp. 445–530 (2011)
5. Vézina, C., Cloutier, E., Stock, S., Lippel, K., Fortin, É., Delisle, A., St-Vincent, Funes, A., Duguay, P., Vézina, S., Prud’homme, P.: Summary Report: Québec Survey on Working and Employment Conditions and Occupational Health and Safety (EQCOTESST). IRSST, Montréal (2011)