Submitted on: 18 August 2015.
Revised on: 25 October 2015.
Accepted on: 21 December 2015.
___________________Egyptian Journal of Haematology
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Submitted on: 18 May 2008.
Revised on: 23 July 2008.
Accepted on: 09 August 2008.
___________________Egyptian Journal of Haematology
Submitted on: 12 October 1998.
Revised on: 12 December 1998.
Accepted on: 22 January 1999.
___________________Egyptian Journal of Haematology