Submitted on: 15 August 1999.
Revised on: 26 September 1999.
Accepted on: 21 October 1999.
Meandros Medical and Dental Journal
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Submitted on: 29 August 2003.
Revised on: 02 October 2003.
Accepted on: 17 October 2003.
Meandros Medical and Dental Journal
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Submitted on: 07 January 2007.
Revised on: 21 January 2007.
Accepted on: 08 February 2007.
Meandros Medical and Dental Journal