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Submitted on: 12 December 2021.
Revised on: 09 February 2022.
Accepted on: 20 March 2022.
___________________Alexandria Journal of Medicine
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Submitted on: 11 April 2015.
Revised on: 23 May 2015.
Accepted on: 13 July 2015.
___________________Alexandria Journal of Medicine
Submitted on: 15 September 2004.
Revised on: 26 December 2004.
Accepted on: 18 January 2005.
___________________Alexandria Journal of Medicine
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