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Submitted on: 01 October 2007.
Revised on: 04 November 2007.
Accepted on: 05 December 2007.
___________________JOURNAL OF ORAL PATHOLOGY & MEDICINE
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Submitted on: 04 January 2010.
Revised on: 31 January 2010.
Accepted on: 19 February 2010.
___________________JOURNAL OF ORAL PATHOLOGY & MEDICINE
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