Sawicka, K., A. Grządka, R. Łuczyk, A. Wawryniuk, M. Prasał, M. Łuczyk, and J. Daniluk. “Awareness of Risk Factors for Coronary Heart Disease in Patients After Myocardial Infarction”. Journal of Education, Health and Sport, vol. 6, no. 12, Dec. 2016, pp. 795-16, https://apcz.umk.pl/JEHS/article/view/4140.