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Submitted on: 18 April 1999.
Revised on: 22 July 1999.
Accepted on: 04 September 1999.
___________________Health Promotion Practice---SAGE PUBLICATIONS INC
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Submitted on: 04 October 2002.
Revised on: 05 December 2002.
Accepted on: 21 December 2002.
___________________Health Promotion Practice---SAGE PUBLICATIONS INC