Krejčí, Milada, Marek Banach, Tetsuo Harada, Hitomi Takeuchi, and Fujiko Tsuji. “Differences in Circadian Habits of Boxers in Context of Competitive and Non-Competitive Performance”. Acta Salus Vitae 3, no. 2 (January 21, 2015). Accessed April 23, 2024. https://odborne.casopisy.palestra.cz/index.php/actasalusvitae/article/view/78.