Kasperska-Dębowska PM, Oleksy E, Wojtczak A. Vaccination against COVID-19 in Poland. J Educ Health Sport [Internet]. 2021 Sep. 6 [cited 2025 Jul. 5];11(9):90-5. Available from: https://apcz.umk.pl/JEHS/article/view/JEHS.2021.11.09.012