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Richeson JT, Pinedo PJ, Kegley EB, Powell JG, Gadberry MS, Beck PA, Falkenberg SM.Richeson JT, et al. Among authors: powell jg.J Am Vet Med Assoc. 2013 Oct 1;243(7):1035-41. doi: 10.2460/javma.243.7.1035.J Am Vet Med Assoc. 2013.PMID: 24050572Free article.