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Authors
Salih, Elsayed M.
Elsotohi, Ibrahim
Elhelaly, Hisham
Elsalhy, Mohamed
Mourad, Mourad M.
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Article History
Received: 7 October 2019
Accepted: 29 October 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: In this study, all procedures performed involving human participants were in accordance with the ethical standards of our institution; faculty of medicine, Al-Azhar university and approved by tow ethical committee the first one in the ethical committee of urology department and the other in the ethical committee of faculty of medicine. At that time, there was no number to be given to the study but after that the numbering system became routine. The informed consent obtained from study participants was written.
: Not Applicable.
: The authors declare that they have no competing interests.
