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Hall JA, Bailey DP, Thonstad KN, Van Saun RJ.Hall JA, et al.J Vet Intern Med. 2009 Mar-Apr;23(2):352-8. doi: 10.1111/j.1939-1676.2008.0253.x. Epub 2009 Feb 2.J Vet Intern Med. 2009.PMID: 19192142Free article.Clinical Trial.