Document Type : Original Article
Authors
1 Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
2 Assistant Professor, Department of Social Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
3 Resident, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
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