Submitted on: 07 January 2007.
Revised on: 12 February 2007.
Accepted on: 09 April 2007.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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Submitted on: 28 September 2009.
Revised on: 23 October 2009.
Accepted on: 16 November 2009.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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Submitted on: 09 April 2008.
Revised on: 03 August 2008.
Accepted on: 18 August 2008.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS
Submitted on: 22 August 2006.
Revised on: 25 October 2006.
Accepted on: 02 December 2006.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS
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Submitted on: 23 July 2011.
Revised on: 21 October 2011.
Accepted on: 02 November 2011.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS
Submitted on: 15 June 2006.
Revised on: 31 July 2006.
Accepted on: 24 August 2006.
___________________Advanced Biomedical Research---WOLTERS KLUWER MEDKNOW PUBLICATIONS