Document Type : Original Article
Authors
1 Department of Environmental Health Engineering, School of Health, Hamadan University of Medical Sciences, Hamadan, Iran
2 Department of Environmental Health, Khalkhal University of Medical Sciences, Khalkhal, Iran
3 Department of Pathology and Anatomy, Ardabil University of Medical Sciences, Ardabil, Iran
4 Department of Dental, Ardabil University of Medical Sciences, Ardabil, Iran
5 Department of Environmental Health School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
6 Department of Public Health, Khalkhal University of Medical Sciences, Khalkhal, Iran
Abstract
Keywords