Sroka, Maria Izabela, Tomasz Kandefer, Justyna Klonowska, Szymon Kosek, Radosław Jan Walkowski, Weronika Wasiniewska, and Marcin Barański. “Physical Activity and Immunity in Pediatric Populations: A Comprehensive Review”. Quality in Sport 47 (November 30, 2025): 66865. Accessed December 31, 2025. https://apcz.umk.pl/QS/article/view/66855.