Document Type : Original Article
Authors
1 Obstetrics and gynecology department, Faculty of medicine, Zagazig University, Egypt
2 Obstetrics and gynecology department, Faculty of medicine, Zagazig University hospitals
3 Professor of obstetrics and Gynaecology Faculty of Medicine - Zagazig University
4 Obstetrics and gynecology department, Faculty of medicine, Alexandria University
5 Microbiology and Immunology Department
Abstract
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