Müller, G., Pfinder, M., Clement, M., Kaiserauer, A., Deis, G., Waber, T., … Kohlmann, T. (2018). Therapeutic and economic effects of multimodal back exercise: A controlled multicentre study. Journal of Rehabilitation Medicine, 51(1), 61–70. https://doi.org/10.2340/16501977-2497