Korzec, Tomasz, Przemysław Raczkiewicz, Maria Kalicka, Konrad Kania, and Katarzyna Cyboran. “Postcovid Pulmonary Complication”. Journal of Education, Health and Sport 11, no. 9 (September 5, 2021): 74–79. Accessed July 18, 2024. https://apcz.umk.pl/JEHS/article/view/JEHS.2021.11.09.010.