Authors
anna.lozinska-czerniak@wum.edu.pl
Department of Obstetrics and Gynecology Didactics, Medical University of Warsaw, Warsaw, Poland
anna.lozinska-czerniak@wum.edu.pl
© 2020 Anna Łozińska-Czerniak, Monika Salamończyk, Ewa Dmoch-Gajzlerska, Magdalena Bednarczyk, published by Institute of Mother and Child
This work is licensed under the Creative Commons Attribution 4.0 License.