Assessment of the Level of Practical and Theoretical Knowledge as a Starting Point for the Implementation of Lean Hospital Concept. - Anna Chmielarz; Beata Wieczorek-Wojcik; Agnieszka Zdeba-Mozola; Remigiusz Kozlowski; Dorota Kilanska; Jan Krzysztof Solarz; Tomasz Czapla; Michal Marczak (Syst., 2023)