Wójcik, Magdalena, Grzegorz Boreński, Przemysław Szabat, Julita Poleszak, Marta Szabat, and Joanna Milanowska. 2019. “Depression During Pregnancy”. Journal of Education, Health and Sport 9 (3):465-73. https://apcz.umk.pl/JEHS/article/view/6728.