Document Type : Original Article
Authors
1 Resident of obstetrics & gynecology
2 Department of Obstetrics and Gynecology, Faculty of Medicine, Zagazig University, Egypt
3 Department of obstetrics and gynecology, faculty of Medicine, Zagazig University
4 Zagazig university
5 obstetrics and Gynecology, Zagazig University, Zagazig, Egypt
Abstract
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