1.
Szawarski P, Hillebrandt D. Adventure travel and the COVID-19 pandemic — recommendation of the Medical Commission of the Union Internationale des Associations d’Alpinisme (UIAA). Health Prom Phys Act [Internet]. 2021 Oct. 4 [cited 2024 Dec. 21];16(3):32-9. Available from: https://journals.anstar.edu.pl/index.php/hppa/article/view/165