Gajos, M., Włoszczyk, P., Mioduska, M., Wałęsa, G., Kujawska, A., Androsiuk-Perkowska, J., Perkowski, R., Wnuk-Zaparucha, A., Karczewska, K., Bieniek, D., Husejko, J., Skierkowska, N., Topka, W. and Missima, M. 2019. Postoperative functioning of cardiac patients. Diagnostic methods of postoperative monitoring and risk of mortality. Journal of Education, Health and Sport. 9, 2 (Feb. 2019), 437–449.