Document Type : Original Article
Authors
1 egypt- sohag- faculty of medicine - surgery department, Professor and cheif of maxillofacial,head and neck surgery Unit
2 egypt- sohag- faculty of medicine - surgery department
3 Assistant Professor in Pediatric surgery sohag university
4 lecturer of maxillofacial ,head and neck surgery ,general surgery department ,faculty of medicine ,sohag university
Abstract
Keywords
Main Subjects