Guzik, A., M. Drużbicki, A. Kwolek, G. Przysada, and A. Brzozowska-Magoń. “Gait velocity as a tool for evaluating the effects of gait training in patients with chronic stroke”. European Journal of Clinical and Experimental Medicine, vol. 14, no. 2, June 2016, pp. 173-82, doi:10.15584/medrev.2016.2.4.