Karamus, Kornelia, Rafał Rejamak, Jan Biłogras, Martyna Borowska-Łygan, Konrad Strużek, Wojciech Urban, and Jakub Tomaszewski. “Long-Covid in Children and Adolescents: Clinical Challenges and Treatment Perspectives”. Journal of Education, Health and Sport 77 (January 3, 2025): 56640. Accessed June 28, 2025. https://apcz.umk.pl/JEHS/article/view/56640.