Wilk K, Sowada C, Kruk W. Ageing of Polish society and NFZ expenses on long-term care from 2004 to 2010 – regional differentiation. Eur J Clin Exp Med [Internet]. 2013 Sep. 30 [cited 2026 Feb. 27];11(3):279–287. Available from: https://journals.ur.edu.pl/ejcem/article/view/12627