Gil, Anna Katarzyna, Krzysztof Jarząbek, Dariusz Bartyzel, Urszula Ulmer,  Marta Kordyzon, and Mateusz Kaproń. “Older Adults in the Polish Healthcare System”. Polish Journal of Public Health 136 (October 13, 2026): 119–123. Accessed October 15, 2026. https://czasopisma.umlub.pl/pjph/article/view/3301.