Lebdowicz, Joanna, Dorota Torbé, Marek Bulsa, and Andrzej Torbé. 2018. “White Blood Cell Count Rating and Neutrophil Percentage During Labor and in Early Postpartum Period”. Journal of Education, Health and Sport 8 (9):593-604. https://apcz.umk.pl/JEHS/article/view/5934.