Document Type : Original Article
Authors
1 Assistant professor, Department of Reproductive Health, Mother and Child Care Research Center, School of Nursing & Midwifery, Hamadan University of Medical Sciences, Hamadan, Iran.
2 Professor, Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
3 B.Sc. of Midwifery, School of Nursing & Midwifery, Hamadan University of Medical Sciences, Hamadan, Iran.
Abstract
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