Woźniak, K., M. Jędrzejczyk-Cwanek, D. Ozga, and B. Lewandowski. “Knowledge of Students on Providing Premedical First Aid”. Journal of Education, Health and Sport, vol. 7, no. 8, Aug. 2017, pp. 1101-12, https://apcz.umk.pl/JEHS/article/view/4968.