Submitted on: 05 May 2005.
Revised on: 17 June 2005.
Accepted on: 01 July 2005.
Medycyna Weterynaryjna-Veterinary Medicine-Science and Practice
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Submitted on: 25 January 2007.
Revised on: 04 March 2007.
Accepted on: 18 March 2007.
Medycyna Weterynaryjna-Veterinary Medicine-Science and Practice
Submitted on: 28 December 2002.
Revised on: 09 February 2003.
Accepted on: 18 February 2003.
Medycyna Weterynaryjna-Veterinary Medicine-Science and Practice
Submitted on: 30 May 2002.
Revised on: 21 June 2002.
Accepted on: 11 July 2002.
Medycyna Weterynaryjna-Veterinary Medicine-Science and Practice