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Submitted on: 01 August 2012.
Revised on: 04 October 2012.
Accepted on: 02 December 2012.
___________________Alexandria Journal of Medicine
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Submitted on: 04 June 2005.
Revised on: 06 August 2005.
Accepted on: 03 September 2005.
___________________Alexandria Journal of Medicine
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Submitted on: 02 September 1999.
Revised on: 11 November 1999.
Accepted on: 11 December 1999.
___________________Alexandria Journal of Medicine
Submitted on: 24 December 2014.
Revised on: 15 April 2015.
Accepted on: 03 June 2015.
___________________Alexandria Journal of Medicine
Submitted on: 27 April 2022.
Revised on: 08 June 2022.
Accepted on: 24 June 2022.
___________________Alexandria Journal of Medicine
Submitted on: 10 February 2014.
Revised on: 18 April 2014.
Accepted on: 05 May 2014.
___________________Alexandria Journal of Medicine