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4. Weiss HR: How much stress do scoliosis patients have because of their brace?. Proceedings of the 3rd. International Conference on Conservative Management of Spinal Deformities & Scientific meeting of the SOSORT, April 7th. – 8th., Poznan. 2006
5. Kotwicki T, Kinel E, Stryła W, Szulc A: Estimation of the stress related to conservative scoliosis therapy: an analysis based on BSSQ questionnaires. Scoliosis. 2007, 2: 1. 10.1186/1748-7161-2-1.