M. Wysokiński, W. Fidecki, R. Adamiec, and J. Burian, “Quality of life of elderly patients in life–threatening conditions”, Piel21w, vol. 10, no. 4(37), pp. 17–22, Dec. 2011, Accessed: Jul. 26, 2025. [Online]. Available: https://czasopisma.umlub.pl/piel21w/article/view/2706