Document Type : Original Article
Authors
1 MSc Student of Reproductive Health, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
2 Assistant Professor, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
3 Professor, Department of Biostatistics and Epidemiology, School of Public Health, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
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