Gruna-Ożarowska, A., L. Sadowska, and M. Mysłek-Prucnal. “Spectral analysis of electroencephalografic activity after the magnetostimulation in prophylaxis and treatment of the people with Down’s syndrome”. European Journal of Clinical and Experimental Medicine, vol. 4, no. 3, Sept. 2006, pp. 199–206, https://journals.ur.edu.pl/ejcem/article/view/13395.