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Submitted on: 12 February 2013.
Revised on: 26 April 2013.
Accepted on: 03 June 2013.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES
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Submitted on: 29 October 1999.
Revised on: 12 December 1999.
Accepted on: 23 January 2000.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES
Submitted on: 10 May 2007.
Revised on: 02 June 2007.
Accepted on: 31 July 2007.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES
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Submitted on: 10 December 2006.
Revised on: 09 February 2007.
Accepted on: 12 March 2007.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES
Submitted on: 09 November 1999.
Revised on: 31 December 1999.
Accepted on: 04 February 2000.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES
Submitted on: 14 September 1999.
Revised on: 04 November 1999.
Accepted on: 26 December 1999.
___________________INTERNATIONAL JOURNAL OF HEALTH SERVICES