Document Type : Research article
Authors
1 Department of Midwifery, Faculty of Nursing and Midwifery, ,Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2 Department of Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3 Department of Pharmacognosy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4 Associate Professor in epidemiology and biostatistics ,public health school, Kerman university of medical science.Kerman,Iran.
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