Knychalska K, Sikora J, Łabuda M, Królikowska K, Słojewska A, Kotkowiak A, et al. The Impact of Caffeine on Anxiety Levels and Stress Responses - a literature review. J Educ Health Sport [Internet]. 2025 May 5 [cited 2025 Jul. 2];81:59947. Available from: https://apcz.umk.pl/JEHS/article/view/59947