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Authors
Fahmy, Niven Gerges
Hamawy, Tamer Youssef Elie http://orcid.org/0000-0002-6087-7571
Labib, Heba Abdel Azim
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Article History
Received: 5 September 2019
Accepted: 4 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The study was approved by the ethical and scientific committees of the department of Anesthesia, Faculty of Medicine, Ain-Shams University 2015 and after obtaining a written informed consent from the patients.
: Not applicable
: The authors declare that they have no competing interests.
