Abdullah, Nazik E.
Nafie, Tarig A.
Mohammed, Ahmed F.
Abdelmomin, Alwaleed A.
Yagi, Hashim I.
Ahmed, Azza M.
Article History
Received: 19 May 2021
Accepted: 2 July 2021
First Online: 3 August 2021
Declarations
:
: Ethical clearance was obtained from the Research Committees of both ENT Khartoum Teaching Hospital and Aldoha Specialized ENT Hospital with no reference number being allocated for both. Patients are informed verbally about the study and signed an informed consent to participate in this study.
: Not applicable
: The authors declare that they have no competing interests.