Pajewska, Monika, Olga Partyka, Katarzyna Kwiatkowska, Magdalena Krysińska, Joanna Bulira-Pawełczyk, and Aleksandra Izabela Czerw. 2018. “Changes in the Public Health Infrastructure in Poland in the Context of an Aging Population”. Journal of Education, Health and Sport 8 (12):508-19. https://apcz.umk.pl/JEHS/article/view/6401.