Łuczyk, Marta, Klaudia Długoborska, Robert Łuczyk, and Andrzej Stanisławek. “Evaluating the Risk of Malnutrition in the Group of Patients Being Prepared for Surgery”. Journal of Education, Health and Sport 7, no. 8 (August 31, 2017): 1012–1025. Accessed April 20, 2024. https://apcz.umk.pl/JEHS/article/view/4903.