1.
RACZKIEWICZ, Przemysław, ŚMIECH, Natalia, KORZEC, Tomasz, KANIA, Konrad and KACZERSKA, Marlena. COVID-19 and threats to pregnancy and the fetus. Journal of Education, Health and Sport. Online. 4 April 2021. Vol. 11, no. 4, pp. 11-17. [Accessed 19 July 2024]. DOI 10.12775/JEHS.2021.11.04.001.