Abdelaal, Ahmed Sobhi
Al Awady, Mohamed Kamel
Elkholy, Tawfik Abdelaty
Article History
Received: 4 February 2021
Accepted: 7 April 2021
First Online: 12 May 2021
Declarations
:
: The Ethics Committee at Al Azhar University Hospital approved this study, reference number is ENT_33Med.Research_frontal,Draff.Endoscopic.Recurrent.Frontal sinusitis_0000033, and written informed consent was taken from all patients.
: Written informed consent was taken from all participants for publication as regard to their details, images, and their videos.
: There are no competing interests.