Submitted on: 05 November 2006.
Revised on: 15 December 2006.
Accepted on: 08 January 2007.
Sudan Journal of Medical Sciences
Submitted on: 03 May 2013.
Revised on: 20 May 2013.
Accepted on: 27 May 2013.
Sudan Journal of Medical Sciences
Submitted on: 25 December 2012.
Revised on: 01 January 2013.
Accepted on: 21 January 2013.
Sudan Journal of Medical Sciences
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Submitted on: 27 December 2003.
Revised on: 15 January 2004.
Accepted on: 22 January 2004.
Sudan Journal of Medical Sciences
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http://reply.papertrans.cn/3/290/28949/28949-17.png
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Submitted on: 08 July 2010.
Revised on: 12 August 2010.
Accepted on: 17 August 2010.
Sudan Journal of Medical Sciences
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