HEJDA, G.; CIĄPAŁA, T.; KUNA, P. The Cancer Mortality in the Podkarpatian Region in 1999–2003. European Journal of Clinical and Experimental Medicine, [S. l.], v. 4, n. 3, p. 180–187, 2006. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/13389. Acesso em: 26 jul. 2026.