J. Kosydar-Bochenek, B. Lewandowski, D. Ozga, and K. Woźniak, “Overview of diagnostic tools and Posttraumatic Stress Disorder (PTSD) measurement methods with the possibility of use among paramedics”, Piel21w, vol. 15, no. 2(55), pp. 45–49, Aug. 2016, doi: 10.1515/pielxxiw-2016-0017.