Rozalska, Ilona, Witold Lesiuk, and Anna Aftyka. “Methods of Assessment of Acute Postoperative Pain in Children”. Nursing in the 21st Century 10, no. 1(34) (January 1, 2011): 63–67. Accessed July 26, 2025. https://czasopisma.umlub.pl/piel21w/article/view/2740.