Authors
Nikolay A. Shcherbina
Department of Obstetrics and Gynecology №1, Kharkiv, Ukraine
Liudmyla A. Vygivska
Department of Obstetrics, Gynecology and Pediatric Gynecology Kharkiv National Medical University, Kharkiv, Ukraine
© 2018 Nikolay A. Shcherbina, Liudmyla A. Vygivska, published by Institute of Mother and Child
This work is licensed under the Creative Commons Attribution 4.0 License.