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Submitted on: 05 June 2001.
Revised on: 24 July 2001.
Accepted on: 06 August 2001.
___________________International Journal of Healthcare Management
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Submitted on: 09 January 1999.
Revised on: 04 April 1999.
Accepted on: 19 April 1999.
___________________International Journal of Healthcare Management
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Submitted on: 28 August 1999.
Revised on: 30 October 1999.
Accepted on: 11 November 1999.
___________________International Journal of Healthcare Management
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