Document Type : Original Article
Authors
1 Assistant Lecturer, Pediatric and Community Dentistry Department, Faculty of Dentistry, Minia University,
2 Professor of Pediatric and Community Dentistry Department, Faculty of Dentistry, Minia University,
3 Professor of Pediatrics, Faculty of Medicine, Minia University,
4 Professor of Microbiology, Faculty of Medicine, Minia University.
Abstract