Fałkowska, U., A. Radzka, M. Pawlicka, A. Mroczek, K. Bałabuszek, and H. Piecewicz-Szczęsna. “So-Called Gray Zone Between athlete’s Heart and Hypertrophic Cardiomyopathy- the Significance of New Imaging Techniques in Differential Diagnosis”. Journal of Education, Health and Sport, vol. 8, no. 5, May 2018, pp. 207-15, https://apcz.umk.pl/JEHS/article/view/5494.