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Authors
Eltelety, Ahmad M.
Nassar, Ahmed A. http://orcid.org/0000-0002-6944-6479
El Batawi, Ahmed M.
Ibrahim, Sherif G.
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Article History
Received: 13 April 2020
Accepted: 2 August 2020
First Online: 11 November 2020
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. All procedures performed in the study were in accordance with the ethical standards of the practice at which the study was conducted (Otolaryngology Department of Cairo University, ethical committee; permit number: 7-5-2017). Consent to participate is inapplicable for this retrospective study.
: Does not apply for this study. Our manuscript does not contain any personal data.
: None to declare.
