Darweesh, Mohamed E.
El-Gazzar, Aml F. Y.
Sarag, Shaimaa M.
Sheikhany, Ayat-Allah Raouf
Article History
Received: 8 October 2020
Accepted: 16 December 2020
First Online: 5 February 2021
Ethics approval and consent to participate
: This prospective interventional study was carried out following the approval of the Research Ethical Committee of Faculty of Medicine, Tanta University, from January to December 2018, on twenty-five consecutive cases (13 males and 12 females), ranging in age between 19 and 68 years, suffering from dysphonia (for more than 3 months) due to glottal insufficiency.All patients were informed about the aim of the study, and the procedure was fully explained to them. A written informed consent was signed by all the participants prior to injection.
: Informed written consent was obtained from all participants prior to injection after full explanation of the aim and the procedure of the study; together with consent to publish these details.
: None.