Bieniak, Monika, Robert Jan Łuczyk, Mariusz Wysokiński, and Wiesław Fidecki. “Health Behaviour of Patients With Unstable Angina Pectoris”. Journal of Education, Health and Sport 8, no. 2 (February 16, 2018): 196–213. Accessed August 16, 2024. https://apcz.umk.pl/JEHS/article/view/5286.