Submitted on: 23 April 2003.
Revised on: 01 August 2003.
Accepted on: 03 September 2003.
___________________JOURNAL OF PUBLIC HEALTH DENTISTRY
Submitted on: 31 May 1998.
Revised on: 18 September 1998.
Accepted on: 15 October 1998.
___________________JOURNAL OF PUBLIC HEALTH DENTISTRY
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