Document Type : Original Article
Authors
1 Otorhinolaryngology in Otorhinolaryngology department Assiut university hospital, Assiut University, Assiut, Egypt
2 Otorhinolaryngology in Otorhinolaryngology department Assiut university hospital. , Assiut University, Assiut, Egypt
3 Radiodiagnosis in Radio-diagnosis department Assiut university hospital, Assiut University, Assiut, Egypt
4 Otorhinolaryngology department in Assiut university hospital. , Assiut University, Assiut, Egypt
Abstract
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