Choroszewicz, Paweł, Łukasz Brzezinski, Maksymilian Dybowski, Gracjan Różański, Anna Dobosiewicz, and Xawery Zukow. “Nutrition Practice During Ultramarathon Running in Theory and Reality”. Journal of Education, Health and Sport 8, no. 11 (November 30, 2018): 833–843. Accessed July 27, 2024. https://apcz.umk.pl/JEHS/article/view/7428.