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Schwartz S.Schwartz S.J Am Vet Med Assoc. 2003 Jun 1;222(11):1526-32. doi: 10.2460/javma.2003.222.1526.J Am Vet Med Assoc. 2003.PMID: 12784957Free article.Review.No abstract available.
Schwartz S.Schwartz S.J Am Vet Med Assoc. 2002 Apr 1;220(7):1028-33. doi: 10.2460/javma.2002.220.1028.J Am Vet Med Assoc. 2002.PMID: 12420782Free article.