Jawień, Wiktoria, Anna Kądziołka, Daniela Kułaga, and Beata Jurkiewicz. “Blood Donation During the Coronavirus Pandemic”. Health Promotion & Physical Activity 15, no. 2 (July 5, 2021): 15–20. Accessed December 21, 2024. https://journals.anstar.edu.pl/index.php/hppa/article/view/22.