Janiszewski B. PERSONAL SAFETY OF CHILDREN IN THE CONTEXT OF FULL-FACE SNORKEL MASK USE: RISK ANALYSIS OF HYPERCAPNIA AND HYPOXAEMIA. sf [Internet]. 2026 Mar. 5 [cited 2026 Sep. 22];9(2). Available from: https://ojs.wsb.edu.pl/index.php/sf/article/view/1762