A. Warmuz-Wancisiewicz, J. Witanowska, P. Ufniarz, A. Knapik, B. Stemplewska, and B. Jarecka, “The professional tasks of pediatric nurses according to parents of hospitalized children”, Piel21w, vol. 16, no. 3(60), pp. 25–33, Feb. 2018, doi: 10.1515/pielxxiw-2017-0025.