Wdowiak, Leszek, and Lucyna Kapka. “PUBLIC HEALTH As a Medical Speciality in the European Union (Part 2)”. Polish Journal of Public Health 119, no. 2 (May 1, 2009): 127–131. Accessed August 6, 2025. https://czasopisma.umlub.pl/pjph/article/view/2308.