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Submitted on: 04 May 2003.
Revised on: 18 August 2003.
Accepted on: 13 October 2003.
___________________Journal of General and Family Medicine
Submitted on: 30 June 1999.
Revised on: 02 August 1999.
Accepted on: 25 September 1999.
___________________Journal of General and Family Medicine
Submitted on: 27 August 2001.
Revised on: 03 November 2001.
Accepted on: 19 November 2001.
___________________Journal of General and Family Medicine
Submitted on: 04 October 1998.
Revised on: 11 November 1998.
Accepted on: 22 December 1998.
___________________Journal of General and Family Medicine
Submitted on: 16 November 2013.
Revised on: 07 January 2014.
Accepted on: 03 February 2014.
___________________Journal of General and Family Medicine