Document Type : Original Article
Authors
1 Forensic Medicine and Clinical Toxicology Department, Faculty of medicine, Assiut University, Egypt
2 public health and community medicine, faculty of medicine
3 General Surgery, Maxillo-facial Surgery unit, Assiut University Hospitals, Assiut faculty of Medicine, Assiut University, Assiut Egypt
4 General Surgery department , Assiut University Hospitals, Assiut faculty of Medicine, Assiut University, Assiut Egypt
Abstract
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