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Submitted on: 11 January 1999.
Revised on: 05 April 1999.
Accepted on: 02 June 1999.
___________________JOURNAL OF CLINICAL PATHOLOGY---BMJ PUBLISHING GROUP
Submitted on: 31 December 2009.
Revised on: 23 February 2010.
Accepted on: 20 March 2010.
___________________JOURNAL OF CLINICAL PATHOLOGY---BMJ PUBLISHING GROUP
Submitted on: 13 July 1998.
Revised on: 15 September 1998.
Accepted on: 30 September 1998.
___________________JOURNAL OF CLINICAL PATHOLOGY---BMJ PUBLISHING GROUP
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Submitted on: 05 November 2012.
Revised on: 15 January 2013.
Accepted on: 25 February 2013.
___________________JOURNAL OF CLINICAL PATHOLOGY---BMJ PUBLISHING GROUP
Submitted on: 19 June 2018.
Revised on: 23 July 2018.
Accepted on: 27 August 2018.
___________________JOURNAL OF CLINICAL PATHOLOGY---BMJ PUBLISHING GROUP
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