A. Jurczak, W. Włoś, S. Wieder-Huszla, D. Branecka-Woźniak, and E. Grochans, “The problem of patients’ aggression toward health care workers”, Piel21w, vol. 14, no. 4(53), pp. 39–43, Dec. 2015, doi: 10.12923/p21w-2015-4/48.