Submitted on: 08 June 2002.
Revised on: 24 September 2002.
Accepted on: 14 October 2002.
___________________Diagnostic Pathology---BMC
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Submitted on: 28 March 2003.
Revised on: 08 July 2003.
Accepted on: 31 July 2003.
___________________Diagnostic Pathology---BMC
Submitted on: 24 August 2010.
Revised on: 15 September 2010.
Accepted on: 08 November 2010.
___________________Diagnostic Pathology---BMC
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Submitted on: 04 June 2012.
Revised on: 07 August 2012.
Accepted on: 24 September 2012.
___________________Diagnostic Pathology---BMC