Rozpędowska-Matraszek, D., and K. Nowak-Sapota. “Impact of State-Offered Healthcare on the Quality of Life of the Elderly in Poland – Regional Analysis”. Acta Universitatis Lodziensis. Folia Oeconomica, vol. 4, no. 315, Feb. 2016, doi:10.18778/0208-6018.315.09.