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Submitted on: 26 August 1998.
Revised on: 25 September 1998.
Accepted on: 20 November 1998.
___________________Conflict and Health---BMC
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Submitted on: 15 February 2012.
Revised on: 30 April 2012.
Accepted on: 23 June 2012.
___________________Conflict and Health---BMC