Submitted on: 09 February 2004.
Revised on: 03 April 2004.
Accepted on: 21 April 2004.
___________________Dental and Medical Problems---WROCLAW MEDICAL UNIV
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Submitted on: 10 June 2003.
Revised on: 28 September 2003.
Accepted on: 31 October 2003.
___________________Dental and Medical Problems---WROCLAW MEDICAL UNIV
Submitted on: 03 September 1998.
Revised on: 04 November 1998.
Accepted on: 20 November 1998.
___________________Dental and Medical Problems---WROCLAW MEDICAL UNIV
Submitted on: 13 November 2007.
Revised on: 12 January 2008.
Accepted on: 23 February 2008.
___________________Dental and Medical Problems---WROCLAW MEDICAL UNIV
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Submitted on: 28 December 1999.
Revised on: 05 February 2000.
Accepted on: 01 March 2000.
___________________Dental and Medical Problems---WROCLAW MEDICAL UNIV
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