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Authors
Abdel Fattah, Ayman Ali
Elasy, Abdel Hay Rashad
Hoseini, Ahmed Helmy
Abdel Hafez, Tarek Abdel Rahman
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Article History
Received: 10 July 2020
Accepted: 12 October 2020
First Online: 4 November 2020
Ethics approval and consent to participate
: An informed written consent to participate in the study was provided by all participants and the parent or legal guardian in the case of children under 16 before operation and before investigations according to the Research Ethics Committee of the Faculty of Medicine, Menoufia University. Ethics committee reference number is 12/2017ENT/639.
: Not applicable
: The authors declare that they have no competing interests.
