Secondary Prevention of Back Pain Among Nurses: A Literature Review on Effectiveness of Interventions and Programs - Limm, H; Wessels, T; Rackwitz, B; John, J; Freumuth, R; Garnier, K von; Ewert, T; Stucki, G (Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin, 2005)