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Makovec JA, Ruegg PL.Makovec JA, et al. Among authors: ruegg pl.J Am Vet Med Assoc. 2003 Jun 1;222(11):1582-9. doi: 10.2460/javma.2003.222.1582.J Am Vet Med Assoc. 2003.PMID: 12784967Free article.