Ziejka, K. D. ., W. . Nyka, K. . Chwojnicki, M. . Skrzypek-Czerko, and P. . Kasprzak. “Factors Related to Functional Improvement of Patients After Ischemic Stroke and the Prognostic Value of the Functional State Rating Scale”. The Journal of Neurological and Neurosurgical Nursing, vol. 6, no. 1, June 2017, pp. 11-19, doi:10.15225/PNN.2017.6.1.2.