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History
- Published online January 8, 2021.
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Copyright: © Saudi Medical Journal This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Author Information
- Department of Otolaryngology Head and Neck Surgery, University of Alexandria, Egypt.
- Department of Otolaryngology Head and Neck Surgery, Alexandria Faculty of Medicine, 106 Tanis Street, Al-Ibrahemia, Alexandria, Egypt. Tel. +201 27435705. E-mail: ashraf61eg{at}hotmail.com
- Department of Otolaryngology Head and Neck Surgery, University of Alexandria, Egypt.
- Department of Otolaryngology Head and Neck Surgery, University of Alexandria, Egypt.