Submitted on: 23 January 1998.
Revised on: 11 May 1998.
Accepted on: 31 May 1998.
___________________Family Medicine and Community Health
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Submitted on: 06 September 2022.
Revised on: 26 December 2022.
Accepted on: 23 January 2023.
___________________Family Medicine and Community Health
Submitted on: 16 October 2004.
Revised on: 29 December 2004.
Accepted on: 28 January 2005.
___________________Family Medicine and Community Health
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Submitted on: 05 September 1998.
Revised on: 14 December 1998.
Accepted on: 08 January 1999.
___________________Family Medicine and Community Health