Submitted on: 23 August 1999.
Revised on: 16 November 1999.
Accepted on: 15 December 1999.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
Submitted on: 15 September 2007.
Revised on: 19 October 2007.
Accepted on: 25 November 2007.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
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Submitted on: 03 January 2017.
Revised on: 17 April 2017.
Accepted on: 04 May 2017.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
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Submitted on: 04 June 2019.
Revised on: 27 June 2019.
Accepted on: 18 August 2019.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
Submitted on: 20 April 2003.
Revised on: 05 June 2003.
Accepted on: 23 July 2003.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
Submitted on: 02 May 2021.
Revised on: 27 June 2021.
Accepted on: 09 July 2021.
___________________JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION
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