Affiliation: | Department of Feto-Maternal Medicine, Pomeranian Medical University, Ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland; Institute of Haematology and Blood Transfusion, Department of Immunohaematology and Immunology of Transfusion Medicine, Warszawa, Poland; Department of Feto-Maternal Medicine, Pomeranian Medical University, Ul. Unii Lubelskiej 1, 71-252 Szczecin, Poland |