Submitted on: 31 August 1998.
Revised on: 27 September 1998.
Accepted on: 12 October 1998.
___________________Journal of Health Organization and Management
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Submitted on: 28 September 2008.
Revised on: 22 January 2009.
Accepted on: 23 February 2009.
___________________Journal of Health Organization and Management
Submitted on: 27 October 2016.
Revised on: 17 December 2016.
Accepted on: 26 January 2017.
___________________Journal of Health Organization and Management
Submitted on: 01 October 1999.
Revised on: 26 December 1999.
Accepted on: 05 January 2000.
___________________Journal of Health Organization and Management
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