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Submitted on: 04 October 2002.
Revised on: 24 October 2002.
Accepted on: 14 November 2002.
Veterinary Medicine International
Submitted on: 23 October 2002.
Revised on: 23 November 2002.
Accepted on: 27 November 2002.
Veterinary Medicine International
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Submitted on: 11 June 2005.
Revised on: 27 June 2005.
Accepted on: 24 July 2005.
Veterinary Medicine International
Submitted on: 20 May 2005.
Revised on: 06 June 2005.
Accepted on: 15 June 2005.
Veterinary Medicine International
Submitted on: 13 July 2007.
Revised on: 21 July 2007.
Accepted on: 01 August 2007.
Veterinary Medicine International