Document Type : Original Research Article
Authors
1 PhD student of Reproductive Health, Student Research Committee, School of Nursing & Midwifery. Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Professor of Biostatistics Department of Biostatistics, School of Allied Medical Sciences Shahid Beheshti University of Medical Sciences. Tehran, Iran
3 Professor of Reproductive Health, Department of Reproductive Health Midwifery, School of Nursing and Midwifery Shahid Beheshti University of Medical Sciences Tehran, Iran
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