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Submitted on: 10 August 2003.
Revised on: 07 November 2003.
Accepted on: 29 November 2003.
___________________JOURNAL OF MEDICAL ECONOMICS---TAYLOR & FRANCIS LTD
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Submitted on: 24 August 2005.
Revised on: 09 December 2005.
Accepted on: 01 February 2006.
___________________JOURNAL OF MEDICAL ECONOMICS---TAYLOR & FRANCIS LTD
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Submitted on: 05 February 2024.
Revised on: 01 March 2024.
Accepted on: 19 April 2024.
___________________JOURNAL OF MEDICAL ECONOMICS---TAYLOR & FRANCIS LTD