Document Type : Original Article
Authors
1 Dentist, Ministry of Health and Population, El-Beheira Governorate, Egypt
2 Department of Epidemiology, High Institute of Public Health, Alexandria University, Egypt
3 Department of Health Administration and Behavioral Sciences, High Institute of Public Health, Alexandria University, Egypt
4 Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Alexandria University, Egypt
Abstract
Keywords