Document Type : Original Article
Authors
1 M.Sc. of Midwifery, Faculty of Nursing and Midwifery, Arak University of Medical Sciences, Arak, Iran.
2 Pharmacologist, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.
3 Associate professor of Biostatistics, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.
Abstract
Keywords