Grzegorczyk, M., P. Majcher, M. Brodowicz-Król, Łukasz Kozioł, and E. Stasiak. “Evaluation of the Life Quality of Patients With Lumbosacral Spine Pain Performing Sedentary Work After Using Kaltenborn-Evejth Manual Therapy Techniques”. Journal of Education, Health and Sport, vol. 8, no. 11, Nov. 2018, pp. 458-91, https://apcz.umk.pl/JEHS/article/view/6341.