Korabiusz, K., Wawryków, A., Fabian-Danielewska, A., Stecko, M., Żukowska, M., Janik, I., Andrusewicz, W. and Torbe, A. (2018) “Physical activity of pregnant women”, Journal of Education, Health and Sport, 8(8), pp. 1026–1031. Available at: https://apcz.umk.pl/JEHS/article/view/5965 (Accessed: 29 January 2023).