Włach R, Książek P, Drop B, Tkaczuk-Włach J. The assessment of functionality of the Diagnosis-Related Group (DGR) system by its users. Pol J Public Health [Internet]. 2013 Jan. 1 [cited 2025 Jun. 14];123(1):3-6. Available from: https://czasopisma.umlub.pl/pjph/article/view/1357