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Submitted on: 25 November 2003.
Revised on: 11 January 2004.
Accepted on: 27 January 2004.
___________________INDIAN JOURNAL OF MEDICAL RESEARCH
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Submitted on: 16 November 2011.
Revised on: 17 January 2012.
Accepted on: 02 March 2012.
___________________INDIAN JOURNAL OF MEDICAL RESEARCH
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Submitted on: 22 December 2000.
Revised on: 03 April 2001.
Accepted on: 08 May 2001.
___________________INDIAN JOURNAL OF MEDICAL RESEARCH
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Submitted on: 16 February 2006.
Revised on: 20 May 2006.
Accepted on: 09 July 2006.
___________________INDIAN JOURNAL OF MEDICAL RESEARCH
Submitted on: 27 February 2013.
Revised on: 07 June 2013.
Accepted on: 08 July 2013.
___________________INDIAN JOURNAL OF MEDICAL RESEARCH