TRACZYK, Kornelia. Trends in Healthcare Expenditure in European Union Countries in the Years 2019-2023. Olsztyn Economic Journal, [S. l.], v. 21, n. 2, p. 35–51, 2026. DOI: 10.31648/oej.13025. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/13025. Acesso em: 15 nov. 2026.