Wasiak, Anna, and Paulina Szeląg. “Health Expenditures in Poland and Other European Union Countries in Years 2007–2011”. Journal of Finance and Financial Law 2, no. 2 (June 30, 2015): 67–85. Accessed December 7, 2025. https://czasopisma.uni.lodz.pl/fipf/article/view/9712.