Küpper, Thomas. “22nd Annual Meeting of the German Society for Travel Medicine (DFR) Aachen, Germany, 21–22.9.2019”. Health Promotion & Physical Activity 10, no. 1 (March 31, 2020): 28–40. Accessed November 22, 2024. https://journals.anstar.edu.pl/index.php/hppa/article/view/149.