Submitted on: 13 January 2003.
Revised on: 01 April 2003.
Accepted on: 16 May 2003.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION
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Submitted on: 19 July 2009.
Revised on: 06 October 2009.
Accepted on: 13 November 2009.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION
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Submitted on: 30 December 2018.
Revised on: 28 March 2019.
Accepted on: 21 May 2019.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION
Submitted on: 20 August 2005.
Revised on: 29 September 2005.
Accepted on: 14 November 2005.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION
Submitted on: 22 May 2000.
Revised on: 09 August 2000.
Accepted on: 10 September 2000.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION
Submitted on: 07 May 2013.
Revised on: 22 June 2013.
Accepted on: 09 July 2013.
___________________JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION