Document Type : Original Article
Authors
1 Assistant Professor, Department of Midwifery, School of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran.
2 M.Sc. of Midwifery, Student Research Committee, School of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran.
3 PhD Student, Department of Epidemiology, Tehran University of Medical Sciences, Tehran, Iran.
Abstract
Keywords