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Lipton BA, Hopkins SG, Koehler JE, DiGiacomo RF.Lipton BA, et al. Among authors: digiacomo rf.J Am Vet Med Assoc. 2008 Oct 15;233(8):1242-9. doi: 10.2460/javma.233.8.1242.J Am Vet Med Assoc. 2008.PMID: 19180714Free article.