Jankowska, P., K. Jankowski, E. Rudnicka-Drożak, and P. Kamiński. “Lipid Disorders in Blue-Collar Workers in Lubelskie Region”. Journal of Education, Health and Sport, vol. 10, no. 9, Sept. 2020, pp. 357-63, doi:10.12775/JEHS.2020.10.09.041.